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class 7 math2079

Total questions: 89

Worksheet time: 55mins

Name
Class
Date
1.
a)

Above information is about 37 students of class 7B students in which their age ,frequency distribution table using tally bar and based on data line graph is shown.

b)

There are 11 and 16 years old students in few number. (1/1 students are there. )

14 years old students are many in number than other age.

(15 students are there. )

c)

In line graph age is shown in horizontal X-axis.

and Frequency is shown in Vertical Y-axis.

d)

There are equal numbers of students in 12 years,13 years and 15 years group.

2.

वर्गकाे क्षेत्रफल.=144cm2 भए यसकाे लम्वाइ कति हाेला ?( If area of square =144cm2 ,What is length of  its side?)

a)

area of square =144cm2

Length of square(l) =?

Area of square =(l)2

or,144cm2=(l)2

or,(l)2=(12cm)2

l=12cm

b)

area of square =144cm2

Length of square =?

Area of square =(l)2

or,144cm2=(l)2

or,(l)2=(11cm)2

l=11cm

3.

What are fact about regular pentagone?

a)

The value of interior angle of regular pentagone=108°.

b)

The value of exterior angle of regular pentagone = 180o108o180^o-108^o  = 72o72^o  

c)

formula to find interior angle of regular polygone(x) =(n2n)  180o=\left(\frac{n-2}{n}\right)\ \ 180^o  = (525)180o\left(\frac{5-2}{5}\right)180^o  = 108o108^o  

d)

formula to find exterior angle of regular polygone(y)= 360on\frac{360^o}{n} = 360o5=72o\frac{360^o}{5}=72^o  

e)
4.

Which of the below answers are correct.

a)
b)
5.

Which of below are correct answers?

a)
b)
c)
d)
6.

Which are correct answers?

a)
b)
c)

If C.P.=Rs 300

S.P=Rs Rs 330

Find profit or loss

Solution:Profit =S.P-C.P

=RS 330-RS300=Rs 30

d)

If S.P.=Rs 300

C.P=Rs Rs 330

Find profit or loss

Solution:Loss =C.P-S.P

=RS 330-RS300=Rs 30

e)

If C.P.=Rs 300

S.P=Rs Rs 330

Find profit or loss

Solution:Profit =S.P+C.P

=RS 330+RS300=Rs 630

7.
a)
b)

ख) उत्तर, C.P.=Rs 5000

S.P=Rs 4500

C.P>S.P So, loss=?

Loss=CP-S.P

=Rs5000-Rs4500

=Rs500

c)

ख) उत्तर, C.P.=Rs 5000

S.P=Rs 4500

C.P>S.P So, profit=?

Profit=CP-S.P

=Rs5000-Rs4500

=Rs500

8.

Which are correct answer?

a)
b)
9.

Which is not facts about polygons?

a)
b)
c)

it is hexagone

d)
10.

Which are correct answers?

a)
b)

30°&60° are complementary of each other

c)

Supplementary angle's sum =180°

d)

Complementary angle's sum =90°

11.

What are properties of parallelogram?

a)

Opposite angles of parallelogram must be equal.

b)

Opposite sides of parallelogram must be equal.

c)

Co-interior angles of parallelogram are also supplementary angles.

d)

Diagonals of parallelogram bisect each other

12.

Which are correct statements for parallelogram's properties ?

a)

Opposite sides of rectangle are equal and parallel.

b)

All angles of rectangle are equal and right angle.

c)

Diagonals of Rectangle bisects each other.

d)

Diagonals of Rectangle must be equal .

e)

Diagonals of Rectangle may not equal.

13.

What are properties of Square?

a)

Opposite sides of Square equal.

b)

Diagonal of square are equal.

c)
d)

i) diagonal of square

bisects vertex.

ii)All angles of square equal and right angle.

e)

diagonal of square are mutually perpendicular and

bisected each other.

14.

Which are correct , click them?

a)

I=P.T.R100I=\frac{P.T.R}{100}  

b)

P=I  X   100T  X  RP=\frac{I\ \ X\ \ \ 100}{T\ \ X\ \ R}  

c)

T=I  X 100P  X RT=\frac{I\ \ X\ 100}{P\ \ X\ R}  

d)

R=I X 100P X T %R=\frac{I\ X\ 100}{P\ X\ T}\ \%  

e)

A= P + I

15.

A- amount

I- interest

P- principal

R- rate of interest

Which are correct formula ?

a)

i) A= P+I

ii) I=A-P

iii) P=A-I

b)

A= P+I

 or,A=P+PTR100\ or,A=P+\frac{PTR}{100}\text{}   or,A=P(1+TR100)or,A=P\left(1+\frac{TR}{100}\right)  

c)

(iv) A=P(100+TR100)\left(iv\right)\ A=P\left(\frac{100+TR}{100}\right)  

(v)P=A X 100100+TR\left(v\right)P=\frac{A\ X\ 100}{100+TR}  

d)

i) A= P-I

ii) I=A+P

iii) P=A+I

16.

costing price (C.P),selling price(S.P.) profit (P), loss(L)

Which are correct?

a)

Real Profit=

selling price -costing price

(P=S.P-C.P)

......................................

Real loss= costing price-selling price

(L= C.P-S.P)

b)

Selling Price= Real profit+ Costing Price

(S.P=P+C.P)

.......................................

Costing Price=Selling Price- real profit

(C.P=S.P-P)

c)

Profit %\Pr ofit\ \%  

=Real profitC.P.X100 %=\frac{Real\ profit}{C.P.}X100\ \%  .......................................................

Loss % =real lossC..PX 100 %=\frac{real\ loss}{C..P}X\ 100\ \%  

d)

costing price= Real loss +Selling price

(C.P=L +S.P)

......................................

selling price=costing price-real loss

(S.P=C.P-L)

e)

Selling Price= Real profit-Costing Price

(S.P=P-C.P)

.......................................

Costing Price=Selling Price+ real profit

(C.P=S.P+P)

17.

क)सबैभन्दा धेरै विद्यार्थीले मन पराएको रङ कुन हो?

ख)सबैभन्दा थोरै विद्यार्थीले मन पराएको रङ कुन हो?

ग)कतिजना विद्यार्थीले हरियो रङ मन पराउदा रहेछन्?

घ)सो विद्यालयमा कति जना विद्यार्थी रहेछन्?

ङ)माथिको चित्रलाई के भनिन्छ होला?

Which of the below answer correct?

a)

क)उत्तर, सबैभन्दा धेरै विद्यार्थीले मन पराएको रङ पहेलो हो।

b)

ख) उत्तर, सबैभन्दा थोरै विद्यार्थीले मन पराएको रङ रातो हो।

c)

ग)उत्तर, 40 जना विद्यार्थीले हरियो रङ मन पराउदा रहेछन्।

d)

घ)सो विद्यालयमा( 20+30+50+40+35=)175 जना विद्यार्थी रहेछन्

e)

ङ) उत्तर, माथिको चित्रलाई साधारण स्तम्भ चित्र भनिन्छ ।

18.

दिइएको त्रिभुजका कोणहरू चाँदको रभुजाहरू रूलरको प्रयोग गरी नाप्नुहोस् । कोण र भुजाका आधारमा दिइएको त्रिभुज ABC कस्तो प्रकारको हो ? लेख्नुहोस् ।

(Measure the side of given triangle by using ruler  and  classify  triangle based on side write, what is  type of   triangle ABC?

a)
b)

ΔABC is equilateral      \Delta ABC\ is\ equilateral\ \ \ \ \ \  triangle because its all side are equal.

c)
d)

Δ ABC is equilateral triangle .\Delta\ ABC\ is\ equilateral\ triangle\ .  because A=B=C=60o\angle A=\angle B=\angle C=60^o  

e)

Δ ABC is acute angle.\Delta\ ABC\ is\ acute\ angle.  

19.

Measure the angles of given triangle by using protactor and  classify  triangle based on angle write what is  type of   triangle?

a)
b)

In Δ ABC,ABC=100oIn\ \Delta\ ABC,\angle ABC=100^o  

so it is Obtuse angle.

20.

What are coordinates of points A,B,C,D,E,F,G,H,I ?

What figure can we got? joining (i)Points A,B,C and D

(ii) Points E,F,G,and H

write name.

(iii) write the area of them.

a)

Solution:coordinates of points are:A(-5,5),B(-7,2),C(-3,2),D(-1,5),E(5,5),F(5,1),G(10,1),H(10,5),

b)

Solution:coordinates of points are:A(5,5),B(7,2),C(3,2),D(1,5),E(-5,5),F(-5,1),G(-10,1),H(-10,5),

c)
d)

ABCD is parallelogram

EFGH is rectangle.

...........................................

Area of ABCD= =12X b X h=\frac{1}{2}X\ b\ X\ h  = 12X 4X 3=6 square unit.\frac{1}{2}X\ 4X\ 3=6\ square\ unit.  

Area of EFGH= lXb=5X4=20 square unit.

21.

Which are correct?

a)
b)
c)
d)
22.

Which are correct?

a)
b)
c)
d)
23.

Is given answer correct?

a)

Yes

b)

No

24.

Are given questions answers correct?

a)

Yes

b)

Partially correct.

c)

No

25.

Is given questions answers correct ?

a)

No

b)

Yes

26.

Are given questions answers correct?.

a)

Yes

b)

No

27.

Are given answers correct?

a)

Yes

b)

No

28.

Are given answer correct.?

a)

Yes

b)

No

29.

Are constructed figure are correct?

a)

Yes

b)

No

30.
a)

Above questions answer is correct.

b)

Above answer incorrect.

31.
a)

Above question's answer is correct.

b)

Above question's answer is wrong.

32.
a)

Above answer is correct.

b)

Above answer is wrong

33.

Is given question answer is correct?

a)

Yes

b)

No

34.

Are all questions answers correct?

a)

Yes

b)

No

35.

Is given question answer is correct?

a)

Yes

b)

No

36.

Is given question answer is correct?

a)

Yes

b)

No

37.

Is given question answer is correct?

a)

Yes

b)

No

38.

Is given question answer is correct?

a)

Yes

b)

No

39.

Which of below are correct?

a)

0.3\overline{0.3}

=0.3333.....

it is none terminating and recurring decimal.

b)

0.45

it is terminating decimal.

c)

0.15=151000.15=\frac{15}{100}

it is convertion of decimal into fraction

d)

227=3.142857142857.........\frac{22}{7}=3.142857142857.........

it is none terminating and recurring decimal.

e)

13,25 and 45are integer numbers.\frac{1}{3},\frac{2}{5}\ and\ \frac{4}{5}are\ integer\ numbers.

40.

find diameter and circumference of given circleclick on best option.

a)

Solution:

r= 14 cm

D=?

D=2r\because D=2r

=2 X 14 cm =28 cm

b)

Solution:r= 14 cm, C=?

C=2πr\because C=2\pi r

=2X 227X 14 =2X\ \frac{22}{7}X\ 14\ =88cm

c)

c= πD\because c=\ \pi D

= 227X 28 cm\frac{22}{7}X\ 28\ cm

=22X4cm=88 cm

d)

d=r2=14 cm2=7 cmd=\frac{r}{2}=\frac{14\ cm}{2}=7\ cm

41.

Are given questions answers correct?

a)

Yes

b)

No

42.

Is given question answer is correct?

a)

Yes

b)

No

43.

Is given question answer is correct?

a)

Yes

b)

No

44.

Is given question answer is correct?

a)

Yes

b)

No

45.

Are given questions answers correct?

a)

Yes

b)

No

46.

Are given questions answers correct?

a)

Yes

b)

No

47.

Are given questions answers correct?

a)

Yes

b)

No

48.

Are given questions answers correct?

a)

Yes

b)

No

49.
a)

Above questions answer is correct.

b)

Above answer is not correct.

50.

Are given questions answers correct?

a)

Yes

b)

No

51.

Which is true?

a)

Cube has six square faces.

b)

Cylinder has three circular faces

c)

Cylinder has two circular faces and one rectangular face.

d)

Cube has six faces of equal square area.

52.

1102 and 1012 are equal.

a)

Yes

b)

No

53.

के दिईएको प्रश्न को उतर ठिक छ?

a)

b)

छैन

54.

Is this question answer is correct?

a)

No

b)

Yes

55.

Is given question answer is correct?

a)

Yes

b)

No

56.

Is given question answer is correct?

a)

Yes

b)

No

c)

0

57.

What are law of addition of integer?

पूर्णाङ्कहरूको जोडको नियम केके हुन्?

a)

बन्दीको नियम( Closure proerty)

If a and b are any two integer then

a+b is also integer

For eg. (+2) and (+5) are integer then

(+2) + (+5) =(+7)is also integer .

b)

Commutative property

( क्रम विनिमय नियम)

If a and b are any two integer then

a+b =b+a

For eg. (+2) and (+5) are integer then

(+2) + (+5) =(+5)+(+2)

c)

Associatve property

(सङ्घीय नियम)

If a,b and c are any three integer then

[a+b]+c =a+[b+c]

For eg. (+2) +(+5) +(+3) are three integer then

(+2) + (+5) +(+4)=[(+5)+(+2)]+(+4)

=(+7)+(+4)

=(+11)

again,(+2) + (+5) +(+4)=(+5)+[(+2)+(+4)]

=(+5)+(+6)

=(+11)

d)

Law of zero(0)

शून्यको नियम

0+a=0

a is integer

e)

Law of zero(0)

शून्यको नियम

Law of zero(0)

शून्य जुन सुकै सङ्ख्यामा जोडे पनि परिणाम त्यही सङ्ख्या हुन्छ

0+a= a where

a is integer

.

58.

Which of below answers are correct?

a)

b)

59.

Are given questions answers correct?

a)

Yes

b)

No

60.

Are given questions answers correct?

a)

No

b)

Yes

61.

Is given questions answers correct?

a)

Yes

b)

No

62.

Is given question answer is correct?

a)

Yes

b)

No

63.

Are these questions answer correct?

a)

Yes

b)

No

64.

Are given questions answers correct?

a)

Yes

b)

No

65.

Is given question answer is correct?

a)

Yes

b)

No

66.

Is given question answer is correct?

a)

Yes

b)

No

67.

Which are correct answers?

Click on best answer options based on above questions.

a)

b)

Above answers are not correct ?

68.

Which are correct answers for above questions?

a)

b)

Above answers are partially correct.

c)

Above answer are not correct

69.

Are given questions answers correct?

a)

Yes

b)

No

70.

Are given questions answers correct?

a)

Yes

b)

No

71.

Are given questions answers correct?

a)

Yes

b)

No

72.

Are given questions answers correct?

a)

Yes

b)

No

73.

Is given question answer is correct?

a)

Yes

b)

No

74.

Are given questions answers correct?

a)

No

b)

Yes

75.

Are given questions answers correct?

a)

No

b)

Yes

76.

Are given questions answers correct?

a)

No

b)

Yes

77.

Are above questions answer correct?

a)

Yes

b)

No

78.

Is given question answer correct?

a)

Yes

b)

No

79.

Is given question answer is correct?

a)

Yes

b)

No

80.

Is given question answer correct?

a)

Yes

b)

No

81.

Is given question answer correct?

a)

No

b)

Yes

82.

Are given questions answers correct?

a)

Yes

b)

No

83.

Is given question answer is correct?

a)

Yes

b)

No

84.

Is given question answer is correct?

a)

Yes

b)

No

85.

Is given question answer is correct?

a)

Yes

b)

No

86.

Are these questions answer correct?

a)

Yes

b)

No

87.

Is given question answer is correct?

a)

Yes

b)

No

88.

Is this question answer is correct?

a)

Yes

b)

No

89.

Q.1)

if A={ Natural number less than 5},B={Odd number less than 9},C={Prime factors  of 18 } ,D={Cube number between 5 and 10 }    

i) Which of the following sets are equivalent  sets ?.)

ii) Is the   sets  D being subset of Set C write  with  reasons  . 

iii)Write Universal set - of sets A and B.

Hints

   A={ Natural number less than 5}={1,2,3,4}

,B={Even number less than 9}={2,4,6,8}

 ,C={ factors  of 18 } ={1,2,3,6,9,18}

,D={Square number between 5 and 10 }={ 9 }    

click which are correct answers?

a)

i) Solution : Set A and B are equivalent sets .

b)

Ii) Solution: yes ,   set D being subset of Set C because   member 9 is Present  in both sets C  and D .

 

c)

iii)Solution:   A={ Natural number less than 5}={1,2,3,4}

B={Even number less than 9}={2,4,6,8}

 

universal set  of sets A and B :  U  = {1,2,3,4,5,6,7,8}

 

d)

iii)Solution:   A={ Natural number less than 5}={1,2,3,4}

B={Even number less than 9}={2,4,6,8}

universal set  of sets A and B :  U  = {1,3,5,7,9}

e)

i) Solution : Set C andD are equivalent sets .