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Worksheets

14 /12/ 2024

Total questions: 190

Worksheet time: 3hrs 49mins

Name
Class
Date
1.

Sound is caused by? 

a)

force

b)

vibrations

c)

instruments

2.

What is vibration?

a)

how loud a sound is

b)

the back and forth movement of matter

c)

how high or low a sound is

d)

the loudness or softness of a sound

3.

What is frequency?

a)

the number of vibrations per second

b)

how high or low a sound is

c)

the loudness or softness of a sound

d)

the back and forth movement of matter

4.

An object that does not vibrate cannot produce

a)

sound

b)

light

c)

heat

d)

electricity

5.

What is volume?

a)

how high or low a sound is

b)

the loudness or softness of a sound

c)

the number of vibrations per second

d)

vibrations

6.

What medium (solid, liquid, gas) does sound travel fastest through?

a)

solid

b)

liquid

c)

gas

7.

This word refers to any substance that sound can travel through.  Sound can travel through solids, liquids, and gases.

a)

Decibel

b)

Medium

c)

Vibration

d)

Oscilloscope

8.

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

a)

Amplitude

b)

Pitch

c)

Volume

d)

Echo

9.

Why is sound able to travel faster through a solid than a gas?

a)

Gas molecules are packed tightly.

b)

Sound does not travel faster through a solid than a gas.

c)

Solid molecules are packed tightly.

d)

Gas molecules move slowly.

10.

Why is the school library covered with carpet?

a)

So everyone can make a lot of noise

b)

to help absorb sounds to keep it quiet

c)

because it looks good

d)

to help absorb sounds so it can stay noisy

11.

What is frequency?

a)

the number of vibrations per second

b)

how high or low a sound is

c)

the loudness or softness of a sound

d)

the back and forth movement of matter

12.

Sound travels as...

a)

transverse wave

b)

compression (longitudinal) wave 

13.

Why does sound travel faster through a solid object than in the air?

a)


The atoms in the solid object are farther apart than the atoms in the air.

b)

The atoms in the solid object are closer together than the atoms in the air.

c)

The atoms are smaller in the solid object than the atoms in the air.

d)

The atoms are larger in the solid object than the atoms in the air.

14.

The diagram below shows a student forming waves using a rope. Which statement best describes what happens to the wavelength and amplitude of the wave when the student increases the upward and downward force?

a)

The amplitude increases, but the wavelength decreases.

b)


The amplitude increases, but the wavelength stays the same.

c)

The amplitude decreases, but the wavelength increases.

d)

The amplitude stays the same, but the wavelength increases.

15.

Which of the following has the greatest effect on the speed at which sound travels through a gas?

a)

the ability of electrons to travel through a medium

b)


the frequency of the wave

c)


the amplitude of the wave

d)

the proximity of the molecules of the medium

16.

An echo is a sound wave that has been

a)

absorbed

b)

refracted

c)

scattered

d)

reflected

17.

Which numbered sound wave illustrates the greatest amount of time between wave crests?

a)

1

b)

2

c)

3

d)

4

18.

A student tossed four different stones into a pond and photographed the wave produced by each stone. Based on the pictures, which stone produced the wave with the greatest wavelength?

a)

Stone 1

b)

Stone 2

c)

Stone 3

d)

Stone 4

19.

During a music concert a musician keeps a beat by hitting a drum once every second. Then he increases the drum beat to twice every second but the intensity stays the same. What part of a sound wave has he changed by increasing the number of beats per second?

a)

amplitude

b)

frequency

c)

speed

d)

wavelength

20.

Iron Man is looking at the screen of an instrument that shows several waves. From point X to point Y, how many total wavelengths are represented?

a)

1

b)

2

c)

3

d)

4

21.

Mrs. Jones draws two sound waves with different amplitudes on the board. Which statement best compares the two waves?

a)

The pitch of the sound decreased in Figure 2.

b)


The loudness of the sound decreased in Figure 2.

c)

The velocity of the sound increased in Figure 2.

d)

The wavelength of the sound increased in Figure 2.

22.

The charts show sound waves from a musical instrument. In which way is the sound wave in Chart 1 different from the sound wave in Chart 2?

a)

it has a higher pitch

b)


it has a lower volumeit has a lower volume

c)


it has a greater amplitudeit has a greater amplitude

d)

it has a lower frequencyit has a lower frequency

23.

Sound waves can pass through all of these except

a)

air

b)

steel

c)

water

d)

vacuum

24.

A substance that carries sound waves is called

a)


a fulcrum.

b)

a medium.

c)

a spectrum.

d)

an equilibrium.

25.

The speed at which sound waves travel depends on the

a)

distance between the vibration source and the receiver.

b)


type of material through which the sound travels.

c)

size of the object making the sound.

d)


type of device making the sound.

26.

Sound travels as a

a)

wave without a medium.

b)

series of compressions only.

c)

pattern of up and down vibrations.

d)

pattern of compressions and rarefactions.

27.

The most likely reason sound travels faster in salt water than in fresh water is that salt water

a)


is more elastic.

b)


absorbs heat faster.

c)

has a higher density.

d)


reflects sound better.

28.

When a transverse wave passes from right to left through a medium, what happens to the particles of the medium?

a)


Particles travel from right to left along the wave.

b)


Particles travel from left to right along the wave.

c)

Particles move back and forth parallel to the wave.

d)


Particles move back and forth perpendicular to the wave.

29.

The speed of sound is generally greatest in

a)

solids and lowest in liquids.

b)

solids and lowest in gases.

c)


gases and lowest in liquids.

d)

gases and lowest in solids.

30.

Avery studied a graph of a mechanical wave. If Avery wanted to find out the wavelength, from which points should she measure?

a)


1 to 3

b)


1 to 5

c)


2 to 4

d)


3 to 5

31.

An earthquake in the Earth’s crust under the ocean releases sound waves. Which statement accurately describes how the sound waves spread?

a)


closer together than air molecules.

b)


more easily moved than air molecules.

c)

moving faster than air molecules.

d)


larger than air molecules.

32.

Batman plays his violin every Friday night for the symphony. Before he plays, he plucks each string to see if his violin is in tune. Which is most responsible for the generation of sound waves from his violin?

a)

material of the violin

b)

vibrations of the string

c)

movement of the violin

d)

composition of the string

33.

Mason listens to music through his radio. Which best explains the sound Mason hears?

a)


Sounds are fluids that travel through air.

b)

Sounds are waves that travel through matter.

c)

Sounds are gases that transform into vibrations.

d)

Sounds are forms of energy that are converted from light.

34.

A sound wave travels through the air and hits a glass of water. In what way will the sound wave change as it moves from the air into the glass?

a)


It will travel faster.

b)


It will travel slower.

c)


It will become louder.

d)


It will become quieter.

35.

A student tightened a string on a violin while playing. The sound changed because

a)

volume increased

b)

vibration increased

c)

pitch increased

d)

velocity decreased

36.

The only metal known to occur in liquid form is

a)

Mercury

b)

Aluminium

c)

Golg

d)

Bronze

37.

The property of metals by which they can be beaten in to thin sheets is called

a)

Sonority

b)

Malleability

c)

Ductility

d)

None of the above

38.

The property of metals by which it can be drawn into wires is

a)

Malleability

b)

Sonority

c)

Lustrous

d)

Ductility

39.

The only non- metal which is liquid at room temperature is.............

a)

Bromine

b)

Carbon

c)

Oxygen

d)

Nitrogen

40.

Metals react with acids to produce a gas

a)

Carbon dioxide

b)

Nitrogen

c)

Hydrogen

d)

Oxygen

41.

Metals are good conductor of

a)

Only heat

b)

Only electricity

c)

Heat and electricity both

d)

None of the above

42.

Metal oxides are

a)

Basic

b)

Acidic

c)

Neutral

d)

None of the above

43.

Non metallic oxides are

a)

Basic

b)

Acidic

c)

Neutral

d)

None of the above

44.

More reactive metal displaces less reactive metal from its salt solution is known as

a)

Combination reaction

b)

Displacement reaction

c)

Neutral reaction

d)

None of the above

45.

Which nonmetal is very essential for our life is

a)

Iodine

b)

Oxygen

c)

Nitrogen

d)

Chlorine

46.

Non-metal used in water purification process

a)

Oxygen

b)

Nitrogen

c)

Chlorine

d)

Iodine

47.

Colour of copper sulphate solution is

a)

Green

b)

Blue

c)

Black

d)

White

48.

Colour of iron sulphate is

a)

Blue

b)

Green

c)

Black

d)

None of the above

49.

Sodium is very reactive metal because it reacts vigorously with oxygen and water and

a)

Generate heat

b)

Catches fire

c)

Stored in kerosene

d)

All of the above

50.

Red litmus paper turns blue when it is dipped in

a)

Acidic solution

b)

Basic solution

c)

Neutral solution

d)

None of the above

51.

The best malleable metal is

a)

Aluminium

b)

Copper

c)

Gold

d)

Zinc

52.

Sulphur reacts with oxygen to form ........................

a)

Sulphur nitrate

b)

Sulphur dioxide

c)

Sulphate

d)

Sulphide

53.

........... is the hardest known substance in nature

a)

Graphite

b)

Iron

c)

Gold

d)

Diamond

54.

Rust is formed when iron combines with

a)

Nitrogen

b)

Moist Air

c)

Ozone

d)

Hydrogen

55.

Non metal which is good conductor of electricity

a)

Diamond

b)

Oxygen

c)

Graphite

d)

Nitrogen

56.

The only metal known to occur in liquid form is

a)

Mercury

b)

Aluminium

c)

Golg

d)

Bronze

57.

The property of metals by which they can be beaten in to thin sheets is called

a)

Sonority

b)

Malleability

c)

Ductility

d)

None of the above

58.

The property of metals by which it can be drawn into wires is

a)

Malleability

b)

Sonority

c)

Lustrous

d)

Ductility

59.

The only non- metal which is liquid at room temperature is.............

a)

Bromine

b)

Carbon

c)

Oxygen

d)

Nitrogen

60.

Metals react with acids to produce a gas

a)

Carbon dioxide

b)

Nitrogen

c)

Hydrogen

d)

Oxygen

61.

Metals are good conductor of

a)

Only heat

b)

Only electricity

c)

Heat and electricity both

d)

None of the above

62.

Metal oxides are

a)

Basic

b)

Acidic

c)

Neutral

d)

None of the above

63.

Non metallic oxides are

a)

Basic

b)

Acidic

c)

Neutral

d)

None of the above

64.

More reactive metal displaces less reactive metal from its salt solution is known as

a)

Combination reaction

b)

Displacement reaction

c)

Neutral reaction

d)

None of the above

65.

Which nonmetal is very essential for our life is

a)

Iodine

b)

Oxygen

c)

Nitrogen

d)

Chlorine

66.

Non-metal used in water purification process

a)

Oxygen

b)

Nitrogen

c)

Chlorine

d)

Iodine

67.

Colour of copper sulphate solution is

a)

Green

b)

Blue

c)

Black

d)

White

68.

Colour of iron sulphate is

a)

Blue

b)

Green

c)

Black

d)

None of the above

69.

Sodium is very reactive metal because it reacts vigorously with oxygen and water and

a)

Generate heat

b)

Catches fire

c)

Stored in kerosene

d)

All of the above

70.

Red litmus paper turns blue when it is dipped in

a)

Acidic solution

b)

Basic solution

c)

Neutral solution

d)

None of the above

71.

The best malleable metal is

a)

Aluminium

b)

Copper

c)

Gold

d)

Zinc

72.

Sulphur reacts with oxygen to form ........................

a)

Sulphur nitrate

b)

Sulphur dioxide

c)

Sulphate

d)

Sulphide

73.

........... is the hardest known substance in nature

a)

Graphite

b)

Iron

c)

Gold

d)

Diamond

74.

Rust is formed when iron combines with

a)

Nitrogen

b)

Moist Air

c)

Ozone

d)

Hydrogen

75.

Non metal which is good conductor of electricity

a)

Diamond

b)

Oxygen

c)

Graphite

d)

Nitrogen

76.
Which of these grouping of elements could have the characteristic of luster (shiny)?
a)
Metal
b)
Nonmetal
c)
metalloids
d)
Both metals and metalloids
77.

Which one of the following is a reliable measure of heat?

a)

Hotness

b)

Coldness

c)

Temperature

d)

None of these

78.

Name the device which is used to measure the hotness or coldness of an object.

a)

Picometer

b)

Barometer

c)

Manometer

d)

Thermometer

79.

If we add a lump of ice to a tumbler containing water, ___________.

a)

heat flows from water to ice

b)

heat flows from ice to water

c)

heat flows from water to ice if water is more in quantity.

d)

heat flows from ice to water if ice is more in quantity.

80.

The temperature at which pure ice melts is ___________.

a)

0°C

b)

100°C

c)

-100°C

d)

98.6°F

81.

A thermometer contains __________.

a)

water

b)

mercury

c)

silver

d)

copper

82.

What is the normal body temperature of a healthy person?

a)

37°C

b)

37°F

c)

37°K

d)

98.4 K

83.

Heat always flows ___________.

a)

from a colder object to a hotter object

b)

from a hotter object to a colder object

c)

in both directions

d)

from a stationary object to a moving object

84.

Paheli and Boojho measured their body temperature. Paheli found hers to be 98.6°F and Boojho recorded 37°C. Which of the following statements is true?

a)

Paheli has a higher body temperature than Boojho.

b)

Paheli has a lower body temperature than Boojho.

c)

Both have normal body temperature.

d)

Both are suffering from fever.

85.

The unit of measurement of temperature is ___________.

a)

metre

b)

kilogram

c)

degree celsius

d)

second

86.

The liquid metal used in a thermometer __________.

a)

is able to expand uniformly for all temperatures

b)

is transparent and easy to see

c)

is opaque and difficult to read

d)

is able to expand uniformly for certain temperatures

87.

The upper standard point on the Fahrenheit scale is ___________.

a)

100 °

b)

120 °

c)

212 °

d)

180 °

88.

One degree Celsius rise in temperature is equal to ___________.

a)

1 degree rise on the Kelvin scale

b)

1 degree rise on the Fahrenheit scale

c)

both (a) and (b)

d)

1 degree fall on the Kelvin scale

89.

The increase in length of a solid when heated is called ___________.

a)

thermal expansion

b)

linear expansion

c)

superficial expansion

d)

cubical expansion

90.

SI Scale of temperature is ___________.

a)

Celsius scale

b)

Kelvin scale

c)

Fahrenheit scale

d)

Reaumur scale

91.

Small gaps are left between railway lines because ___________.

a)

rails of very long dimensions will shatter

b)

expansion of rails occurs during summer

c)

contraction of rails occurs during winter

d)

both (b) and (c)

92.

The increase in area of a solid when heated is called ___________.

a)

thermal expansion

b)

linear expansion

c)

superficial expansion

d)

cubical expansion

93.

A bimetallic strip made from brass and invar bends when heated. When it's bent, the object has ___________.

a)

brass on the outside and invar on the inside

b)

invar on the outside and brass on the inside

c)

brass and invar of the same length

d)

brass on the outside for a while and then invar will take its place

94.

The type of energy which causes in us the sensation of hotness or coldness is called ___________.

a)

chemical energy

b)

magnetic energy

c)

light energy

d)

heat energy

95.

Which of the following expands only in volume when heated?

a)

Solid

b)

Liquid

c)

Gas

d)

Both (b) and (c)

96.

Which will not undergo sublimation?

a)

Ammonium chloride

b)

Camphor

c)

Sodium chloride

d)

Iodine

97.

TEMPERATURE IS MEASURED BY A DIVICE CALLED ___________.

a)

THERMOMETRE

b)

THERMOMETER

c)

THRMOMETER

98.

S.I UNIT OF TEMPERATURE IS Fahrenheit

a)

TRUE

b)

FALSE

99.

THE DEGREE OF HOTNESS OR COLDNESS OF A BODY IS CALLED

a)

TEMPERATURE

b)

KELVIN

c)

THERMOMETER

100.

DEGREE CELSIUS IS _______________ UNIT OF TEMPERATURE

a)

KELVIN

b)

C.G.S

c)

S.I

101.

_________________ THERMOMETERS RANGE IS 350C TO 420.

a)

LABORATORY

b)

MAXIMUM AND MINIMUM

c)

CLINICAL

d)

ALL

102.

CLINICAL THERMOMETER IS USED TO MEASURE THE TEMPERATURE OF ______________.

a)

HUMAN BODY

b)

TREES

c)

CHEMICALS

d)

NONE

103.

NORMAL TEMPERATURE OF HUMAN BODY IS ?

a)

370K

b)

370F

c)

370C

104.

LABORATORY THERMOMETER -____________

a)

LABORATORY PURPOSES

b)

FOR HUMAN BODY

105.

LABORATORY THERMOMETER range ?

a)

-1100C TO 100C

b)

- 100C TO 1100C

c)

00C TO 1100C

106.

THE HEAT FLOWS FROM A BODY AT _______ TEMPERATURE TO _________ TEMPERATURE?

a)

HIGHER , LOWER

b)

HIGHER , HIGHER

c)

LOWER , HIGHER

d)

LOWER , LOWER

107.

S.I UNIT of heat IS (a)   .

108.

HEAT IS A ____________ QUANTITY

a)

SCALER

b)

VECTOR

109.

THE MATERIALS THAT ALLOW HEAT TO PASS THROUGH THEM EASILY ARE CALLED ____________.

a)

INSULATORS

b)

CONDUSTORS

110.

(a)   ENERGY IS CALLED AS THERMAL ENERGY

111.

HEAT IS THE FORM OF

a)

FORCE

b)

ENERGY

c)

MATTER

d)

MOTION

112.

HEAT IS TRANSFERRED BY CONDUCTION IN

a)

SOLIDS

b)

LIQUIDS

c)

GASES

d)

ALL OF THEM

113.

TRANSFER OF HEAT DUE TO THE CONVECTION OCCUR IN

a)

SOLIDS

b)

LIQUIDS

c)

GASES

d)

B AND C

114.

HEAT FROM THE SUN REACHES THE EARTH BY

a)

CONVECTION

b)

CONDUCTION

c)

RADITION

115.

________ IS USED AS A THERMOMETER FLUID

a)

HYDROGEN

b)

HELIUM

c)

MERCURY

d)

OXYGEN

116.

CONVECTION IS POSSIBLE IN ________

a)

SOLIDS

b)

LIQUIDS

c)

GASES

d)

LIQUIDS & GASES

117.

What is the formula of PERIMETER OF SQUARE?

a)

P=3s

b)

P = 4*side

c)

4s

118.

The perimeter of a rectangle is 34 meters. The width is 4 meters. What would the length be?

a)

17 m

b)

13 m

c)

15 m

d)

30 m

119.

What is the area?

a)

35 cm

b)

30 cm

c)

35 sq cm

d)

12 cm

120.

A rectangular field of length 5050m and breadth 4545m need to be fenced. Find the cost of fencing if the changes are Rs. 44 per meter.

a)

Rs. 760

b)

Rs. 505

c)

Rs. 740

d)

Rs. 76

121.

Area of a circle is 154 cm2, find its circumference.

a)

14 cm

b)

24 cm

c)

34 cm

d)

44 cm

122.

The length and breadth of a rectangular field are equal to 600 m and 400 m respectively. Find the cost of the grass to be planted in it at the rate of ₹ 2.50 per m2.

a)

₹ 2,40,000

b)

₹ 6,00,000

c)

₹ 60,000

d)

₹ 24,000

123.

The perimeter of a rectangular field is 240 m. If its length is 90 m, find its area.

a)

360 m2

b)

2400 m2

c)

30 m2

d)

2700 m2

124.

If the perimeter of a square is 24 cm. Find its area.

a)

24 cm2

b)

36 cm

c)

30 cm2

d)

36 cm2

125.

A rectangle park is 45 m long and 30 m wide. A path 2.5 m wide is constructed outside the park. Find the area of the path.

a)

1750 m2

b)

1350 m2

c)

400 m2

d)

700 m2

126.

Area of this Triangle

a)

15 cm2

b)

30cm2

c)

25cm2

d)

50cm2

127.

Find the perimeter

a)

21 cm

b)

110 cm

c)

42 cm

d)

20 cm

128.

Find the area

a)

110 cm2

b)

42 cm2

c)

100 cm2

d)

121 cm2

129.

Find the perimeter

a)

16 cm

b)

32 cm2

c)

16 cm2

d)

32 cm

130.

Find the area

a)

16 cm

b)

32 cm2

c)

63 cm2

d)

32 cm

131.

What is the perimeter of a triangle with a sides of 13 m, 4 m, 4 m?

a)

21 

b)

21 m

c)

21 m221\ m^2  

d)

208 m2208\ m^2  

132.

What is the missing side and then the perimeter of a rectangle. The entire shape is 42 in. The width of the rectangle is 3 in. and the length is 6 times the width?

a)

42 in.

b)

18 in.

c)

9 in.

d)

112 in.

133.
The perimeter of a rectangle is 34 metres.  The width is 4 metres.  What would the length be?
a)
17 m
b)
13 m
c)
15 m
d)
30 m
134.
What does perimeter mean?
a)
the amount of space inside a shape
b)
the distance around a shape
c)
the length times the width
d)
the number of degrees in a shape
135.
How would you find the area of the pink model?
(click to show image)
a)
Add 4 and 3
b)
Multiply 4 by 3
c)
Add 4 and 4
d)
Multiply 4 by 4
136.
What is the total area of the shaded region?
(click to show image)
a)
6 units2
b)
10 units2
c)
12 units2
d)
14 units2
137.
What is the perimeter of the fence?
(click to show image)
a)
25
b)
30
c)
35
d)
40
138.

The space inside an object is called it's

a)

area

b)

perimeter

139.

What is the area?

a)

35 cm

b)

30 cm

c)

35 sq cm

d)

12 cm

140.

What is the AREA of this rectangle?

a)

28 square yards

b)

28 yards

c)

22 square yards

d)

22 yards

141.

Find the perimeter

a)

40 ft

b)

28 ft

c)

14 ft

d)

40 sq ft

142.

Find the perimeter.

a)

26 cm

b)

13 cm

c)

36 cm

d)

36 square cm

143.
What is the perimeter of the rectangle? (Hint: top matches the bottom, left matches the right!)
a)
28 sq feet
b)
28 feet
c)
48 feet
d)
48 sq feet
144.
What is the missing measurement? 
a)
9 cm
b)
18 in
c)
18 cm
d)
9 in 
145.
What is the perimeter of the fence?
a)
25
b)
30
c)
35
d)
40
146.
What is the formula for finding area of a rectangle?
a)
A = l•w
b)
A = s•df
c)
A = b•c
d)
A and C
147.

Using the given measurements, find the perimeter of the rectangle.

a)

46 ft

b)

120 ft

c)

23 ft

d)

32 ft

148.

Rajah di atas terdiri daripada sebuah segi tiga dan dua buah segi empat tepat yang sam saiz. Hitung perimeter seluruh rajah itu.

The above diagram consists of a triangle and two rectangle of the same size. Calculate the perimeter of the whole diagram.

a)

18 cm

b)

34 cm

c)

26 cm

d)

32 cm

149.
How do you find the area of a rectangle?
a)
Length + Length + Length + Length
b)
Length + Width
c)
Length x Width
d)
Width x Width
150.
Faye was cutting out some fabric for a friend. She cut a piece that was 3 centimeters wide and had an area of 24 cm. How long was the piece? 
a)
72 cm
b)
6 cm
c)
8 cm
d)
12 cm
151.

A rectangle has a length of 9 cm and a width of 6 cm. Find the perimeter.

a)

30

b)

45

c)

54

d)

40

152.

Area can be calculated only for

a)

Open figures

b)

Curves

c)

Closed figures

d)

Intersecting lines

153.

If the area of a square is 36 sq.cm, then its perimeter is

a)

34

b)

32

c)

28

d)

24

154.

Perimeter of any polygon will be the

a)

sum of all the sides

b)

product of all the sides

c)

sum of diagonals

d)

sum of any two sides

155.

The formula to find the area of a rectangle is

a)

Length + Breadth

b)

Length × Breadth

c)

2 × Length

d)

2 × Breadth + Length

156.

What is the numerical difference between the area and perimeter of a square with side 5 cm?

a)

10

b)

5

c)

15

d)

1

157.

The side of the square is 4 cm, calculate the perimeter

a)

16

b)

20

c)

25

d)

26

158.

The perimeter of a square is the sum of ___ sides of a square.

a)

Three

b)

Four

c)

Five

d)

Six

159.

Find the perimeter of a rectangle with width 5 cm and length 10 cm.

a)

30 cm

b)

45 cm

c)

25 cm

d)

35 cm

160.

Find the cost of tiling a rectangular plot of land 300m long and 150m wide at the rate of $6 per hundred square meter.

a)

$2700

b)

$1700

c)

$1000

d)

$3000

161.

Find the area

a)

40

b)

30

c)

35

d)

15

162.

Find the area and perimeter

a)

Area - 10

Perimeter - 14

b)

Area - 20

Perimeter- 5

c)

Area - 4

Perimeter- 14

d)

Area - 10

Perimeter - 40

163.
The perimeter of a rectangle is 46 cm. Its width is 5 centimeters. Find the length
a)
10 cm
b)
18 cm
c)
4.6 cm
d)
36 cm
164.
What is the area of a rectangle with side lengths 5 inches by 8 inches?
a)
40 square inches
b)
13 inches
c)
40 square feet
d)
3 inches
165.
What is the formula for finding area of a rectangle?
a)
A = l•w
b)
A = s•df
c)
A = b•c
d)
A and C
166.
What is the area of this rectangle?
a)
26 centimeters
b)
40 square centimeters
c)
35 square centimeters
d)
13 centimeters
167.
What is the area of this rectangle?
a)
21 centimeters
b)
42 centimeters
c)
108 square centimeters
d)
99 square centimeters
168.
Given a rectangle with an Area of 77 sq. ft. Find the height if the width is 5.5 ft.
a)
14 ft.
b)
14 sq. ft.
c)
28 ft.
d)
7 ft.
169.
Find the AREA of this figure.
a)
160 feet squared
b)
160 feet
c)
1600 feet
170.
The distance around an object is called the 
a)
area
b)
perimeter
171.
Find the perimeter of the rectangle.
a)
40 mm 
b)
82 mm 
c)
420 mm 
d)
41 mm 
172.
Find the perimeter of the rectangle.
a)
50 in.
b)
25 in.
c)
45 in. 
d)
100 in.
173.
Find the perimeter of the rectangle.
a)
50 m
b)
36 m
c)
72 m
d)
22 m
174.
Find the area of the rectangle.
a)
140 cm2
b)
70 cm2
c)
34 cm2
d)
64 cm2
175.
Find the area of the rectangle.
a)
36 in.2
b)
72 in.2
c)
26 in.2
d)
13 in.2
176.
Find the area of the rectangle.
a)
441 yd2
b)
10 yd2
c)
21 yd2
d)
20 yd2
177.
Find the area of the rectangle.
a)
108 mm2
b)
21 mm2
c)
54 mm2
d)
42 mm2
178.

The distance covered along with the boundary of rectangle is called its

a)

Area

b)

perimeter

c)

length

d)

breadth

179.

The perimeter of a square is

a)

4+side

b)

4 x side

c)

side X side

d)

length + breadth

180.

The perimeter of an equilateral triangle is

a)

side + side + side

b)

side X side X side

c)

3 + side

d)

side + side

181.

Area of which figure is length X breadth

a)

Rectangle

b)

square

c)

Flat surface

d)

Interior region

182.

What is the area of the rectangle whose sides are 5 cm and 4 cm

a)

10 cm sq

b)

20 cm sq

c)

15 cm sq

d)

25 cm sq

183.

The perimeter of triangle whose sides are 5 cm, 2 cm, and 3 cm.

a)

30 cm

b)

11 cm

c)

17 cm

d)

10 cm

184.

What is the length of a side of square whose area is 64 m2

a)

16 m

b)

32 m

c)

8 m

d)

64 m

185.

What is the perimeter of regular pentagon whose each side 5 cm

a)

10 cm

b)

20 cm

c)

15 cm

d)

25 cm

186.

What is the perimeter of rectangle whose sides are 5 m and 4 m?

a)

9 m

b)

20 m

c)

18 m

d)

36 m

187.

The cost of fencing a square park of a side 100 m at the rate of Rs 10 per a meter will be

a)

Rs 4000

b)

Rs 10000

c)

Rs 1000

d)

Rs 400

188.

What happens to the frequency of a sound wave when the pitch is increased?

a)

It decreases

b)

It remains the same

c)

It increases

d)

It becomes zero

189.

Which of the following best describes how sound waves are produced in a musical instrument?

a)

By the material composition of the instrument

b)

By the heat generated in the instrument

c)

By the vibration of strings or air columns

d)

By the movement of air only

190.

In which medium does sound travel slowest?

a)

Solid

b)

Vacuum

c)

Gas

d)

Liquid