Free Printable Midterm Revision

1.

1. Select the correct option from the following.

a)

On a number line when we add a positive integer we move to the left

b)

On a number line when we add a positive integer we move to the right.

c)

On a number line when we add a negative integer we move to the right.

d)

On a number line when we subtract a positive integer we move to the right.

2.

2. Select the incorrect option from the following.

a)

when two positive integers are added we get a positive integer.

b)

when two negative integers are added we get a negative integer.

c)

when two negative integers are added we get a positive integer

d)

when a negative integer and positive integers are added we get a negative integer

3.

3. (-8) + (-4) = ?

a)

-4

b)

4

c)

-12

d)

12

4.

4. (8) + (-4) = ?

a)

-4

b)

4

c)

-12

d)

12

5.

5. (-8) + (4) = ?

a)

-4

b)

4

c)

-12

d)

12

6.

6. (-8) - (4) = ?

a)

-4

b)

4

c)

-12

d)

12

7.

7. (8) - (-4) = ?

a)

-4

b)

4

c)

-12

d)

12

8.

8. (-8) - (-4) = ?

a)

-4

b)

4

c)

-12

d)

12

9.

9. (8) - (4) = ?

a)

-4

b)

4

c)

-12

d)

12

10.

10. (-12) - (8) = ?

a)

4

b)

-4

c)

20

d)

-20

11.

11. (-12) - (-8) = ?

a)

4

b)

-4

c)

20

d)

-20

12.

12. (12) - (-8) = ?

a)

4

b)

-4

c)

20

d)

-20

13.

14. (-12) + (8) = ?

a)

4

b)

-4

c)

20

d)

-20

14.

15. (12) + (-8) = ?

a)

4

b)

-4

c)

20

d)

-20

15.

16. (12) + (8) = ?

a)

4

b)

-4

c)

20

d)

-20

16.

17. (39) + (-12) + (-27) = ?

a)

15

b)

-15

c)

0

d)

68

17.

18. Which of the following statement is false?

a)

product of two positive integers is always positive.

b)

product of two negative integers is always negative.

c)

product of two negative integers is always positive

d)

product of three negative integers is negative.

18.

19. (-4) X (-3) = ?

a)

-12.

b)

-7

c)

7

d)

12

19.

20. (-4) X (3) = ?

a)

-12.

b)

-7

c)

7

d)

12

20.

What is 2 x 6

a)

36

b)

8

c)

12

d)

0.3

21.

What is 6 + -2

a)

4

b)

8

c)

0

d)

-6

22.

If I have a positive multiplied with a positive, what will the answer be?

a)

Positive

b)

Negative

23.

If I have a negative multiplied with a positive, what will the answer be?

a)

Positive

b)

Negative

24.

If I have two negatives what will the product be?

a)

Negative

b)

Positive

25.

If I have a negative multiplied with a positive, what will the answer be?

a)

Positive

b)

Negative

26.

If I have a positive multiplied with a positive, what will the answer be?

a)

Positive

b)

Negative

27.

If I have two negatives what will the product be?

a)

Negative

b)

Positive

28.

(2)(10)

a)

20

b)

-20

c)

-12

d)

12

29.

(-9)(-8)

a)

-72

b)

72

c)

81

d)

-81

30.

4(-20)

a)

80

b)

-80

c)

24

d)

-24

31.

(-5)(-12)

a)

-60

b)

60

32.

(-9)(-8)

a)

-72

b)

72

33.

4 x -5

a)

20

b)

-20

c)

-9

d)

9

34.

-10 x -11

a)

110

b)

-110

c)

21

d)

-21

35.

Which expression DOES NOT have a product of −18?

a)

−2 ∗ −9

b)

−6 ∗ 3

c)

−3 ∗ 6

d)

−9 ∗ 2

36.

-9x9

a)

-81

b)

2

c)

9

d)

fluffy

37.

-20/5=

a)

-4

b)

4

c)

-100

d)

100

38.

-30/-10=

a)

-30

b)

-3

c)

3

d)

30

39.

(-25) ÷ (-5)

a)

5

b)

-5

c)

-20

d)

-30

40.

44/-4=

a)

11

b)

-8

c)

-11

d)

-1/11

41.

Going left on the number line means what?

a)

Negative

b)

Positive

42.

Going left on the number line means what?

a)

Negative

b)

Positive

43.

-15 ÷ 3

a)

-12

b)

-5

c)

-18

d)

5

44.

-30 ÷ (-10)

a)

3

b)

-3

c)

-20

d)

20

45.

A research submarine dives at the rate of 6 feet every minute. What will the sub’s elevation be after 5 minutes of diving?
Which expression would describe this?

a)

6(5)

b)

6 (-5)

c)

(-6)(5)

d)

(-6)(-5)

46.

2*10

a)

20

b)

-20

c)

-12

d)

12

47.

If I have a negative multiplied with a positive, what will the answer be?

a)

Positive

b)

Negative

48.

If I have a positive multiplied with a positive, what will the answer be?

a)

Positive

b)

Negative

49.

(-9)*(-8)

a)

-72

b)

72

c)

81

d)

-81

50.

(-9)*(-8)

a)

-72

b)

72

c)

81

d)

-81

51.

(4)(-20)

a)

80

b)

-80

c)

24

d)

-24

52.

4 * (-5)

a)

20

b)

-20

c)

-9

d)

9

53.

$-20\div5$

a)

-4

b)

4

c)

-100

d)

100

54.

$-30\div\left(-10\right)$

a)

-30

b)

-3

c)

3

d)

30

55.

(-25) ÷ (-5)

a)

5

b)

-5

c)

-20

d)

-30

56.

$-44\div4$

a)

11

b)

-8

c)

-11

d)

-1/11

57.

$-12\div\left(-3\right)$

a)

36

b)

-15

c)

-4

d)

4

58.

12 * (-3)

a)

15

b)

-15

c)

-36

d)

36

59.

(-2)(-2)(-2)

a)

-8

b)

8

c)

-6

d)

6

60.

-5(-6)

a)

-30

b)

30

c)

1

d)

-11

61.

(-9)(6)

a)

-54

b)

54

c)

-3

d)

-15

62.

(-7) x (-7)

a)

14

b)

-14

c)

49

d)

-49

63.

-5 + -5 = -10

a)

true

b)

false

64.

The temperature drops 2°F each hour. What is the total change in temperature after 12 hours?

a)

-24

b)

26

c)

24

d)

-26

65.

-4 + -18

a)

22

b)

-23

c)

-22

d)

-14

66.

-8 x (0)=

a)

-8

b)

8

c)

0

d)

-0

67.

7 x -4

a)

28

b)

-28

c)

11

d)

74

68.

-10+4

a)

-14

b)

14

c)

-6

d)

6

69.

-12 + 9

a)

21

b)

3

c)

-3

d)

-21

70.

Express an integer: a debt of $50

a)

50

b)

-50

71.

What is the opposite of 10?

a)

10

b)

-10

c)

0

d)

20

72.

Express an integer: a withdrawal of $100

a)

100

b)

-100

73.

6 + -3

a)

-3

b)

3

c)

9

d)

-9

74.

-12 x -12

a)

144

b)

-144

c)

0

d)

24

75.

What is a negative times a negative?

a)

negative

b)

positive

76.

-2 + 10

a)

8

b)

-8

c)

12

d)

-12

77.

Negative numbers are

a)

less than zero

b)

greater than zero

78.

-7(10)=

a)

70

b)

700

c)

-70

d)

-700

79.

-20/5=

a)

-4

b)

4

c)

-100

d)

100

80.

-3(-4)

a)

-12

b)

7

c)

-7

d)

12

81.

-8(0)=

a)

-8

b)

8

c)

0

d)

-80

82.

(-25) ÷ (-5)

a)

5

b)

-5

c)

-20

d)

-30

83.

-5 x -8

a)

-40

b)

-13

c)

-45

d)

40

84.

Is the product
–8 • (–3) positive or negative?

a)

negative

b)

positive

c)

both

d)

neither

85.

Every Friday for 8 weeks Kylan withdrew $35 from his savings account. How much did he withdraw in all?

a)

-280

b)

280

c)

27

d)

-27

86.

34. As a front passed, the temperature changed steadily over 6 hours. Altogether it change -18 degrees. What was the change in temperature per hour for the 6 hours?

a)

-18 ÷ 6 = -3 degrees

b)

18 ÷ 6 = 3 degrees

c)

18 + 6 = 24 degrees

d)

18 - 6 = 12 degrees

87.

A negative number multiplied by another negative number will equal ________.
(-) x (-) = ???

a)

0

b)

a positive number. (+)

c)

a negative number. (-)

d)

a fraction.

88.

A negative number multiplied by a positive number will equal ________.
(-) x (+) = ???

a)

0

b)

a positive number. (+)

c)

a negative number. (-)

d)

a fraction.

89.

A negative number multiplied by a positive number will equal ________.
(-) x (+) = ???

a)

0

b)

a positive number. (+)

c)

a negative number. (-)

d)

a fraction.

90.

Multiply
(5) • (–9) • (–2)

a)

90

b)

-45

c)

-90

d)

47

91.

Solve:
(-2)(-1)(-3)(-4)(-1)

a)

-11

b)

24

c)

-24

d)

11

92.

The temperature dropped 3 degrees every hour for six hours. How much did the temperature drop in all?

a)

-18

b)

9

c)

18

d)

-9

93.

a)

-4

b)

-6

c)

4

d)

6

94.

a)

5

b)

6

c)

-5

d)

-6

95.

a)

5

b)

-5

c)

3

d)

-3

96.

If the temperature drops 5 degrees every hour for 9 hours, which integer represents the change in temperature?

a)

14

b)

-14

c)

45

d)

-45

97.

Desmond's monthly Netflix subscription costs $10. If he charges it to his credit card each month for 5 months without making any payments, what will his debt be?

a)

-$14

b)

-$2

c)

-$45

d)

-$50

98.

(-2)(-4)(-3)

a)

24

b)

-24

c)

8

d)

-21

99.

Is the product of –8 • (–3) positive or negative?

a)

negative

b)

positive

c)

both

d)

neither

100.

-3(-4)

a)

-12

b)

7

c)

-7

d)

12

101.

When multiplying or dividing a NEGATIVE and POSITIVE number your result will be...

a)

Positive

b)

Negative

c)

Depends on which is bigger.

102.

A drought can cause the level of the local water supply to drop by a few inches each week. Suppose the level of the water supply drops 2 inches each week. How much will it change in 4 weeks?

a)

-16 inches

b)

-8 inches

c)

-2 inches

103.

The basketball team lost their last 6 games. They lost by a total of 48 points. Find the number of points lost each game.

a)

8 points per game

b)

7 points per game

c)

6 points per game

104.

Which number sentence is represented by this model?

a)

3 × (-2) = 6

b)

3 × (-2) = -6

c)

3 × 2 = 6

d)

-3 × (-2) = -6

105.

On a certain day, the temperature changed at a rate of -3º an hour. How many hours did it take to reach -33º?

a)

11 hours

b)

-11 hours

c)

99 hours

d)

-99 hours

106.

Which number sentence is represented by this model?

a)

–4 • 7 = 28

b)

–4 • 7 = –28

c)

4 •(–7) = 28

d)

-4 •(–7) = –28

107.

During a 12-hour period, the temperature dropped 48º F. What integer represents the change in temperature each hour?

a)

-576º F

b)

4º F

c)

576º F

d)

-4º F

108.

(-7) x (-7)

a)

14

b)

-14

c)

49

d)

-49

109.

-7(10)=

a)

70

b)

700

c)

-70

d)

-700

110.

-20/5=

a)

-4

b)

4

c)

-100

d)

100

111.

-30/-10=

a)

-30

b)

-3

c)

3

d)

30

112.

(-2)(-4)(-3)

a)

24

b)

-24

c)

8

d)

-21

113.

Positive x Negative =

a)

Positive

b)

Negative

114.

Negative x Negative =

a)

Positive

b)

Negative

115.

(-9)(-8)

a)

-72

b)

72

116.

(-25) ÷ (-5)

a)

5

b)

-5

c)

-20

d)

-30

117.

Positive x Positive =

a)

Positive

b)

Negative

118.

Negative x Negative =

a)

Positive

b)

Negative

119.

(-1)(-1)(-1)(-2)

a)

2

b)

-2

c)

-5

d)

5

120.

(-2)(-4)(-3)

a)

24

b)

-24

c)

8

d)

-21

121.

If there are an odd number of negatives in a problem, the answer is
Example: (-4)(-5)(-2)

a)

Positive

b)

Negative

122.

(-9)(-8)

a)

-72

b)

72

123.

(-4)(6)

a)

-24

b)

24

124.

(-6)(5)

a)

30

b)

-30

125.

(-7)(-7)

a)

14

b)

-14

c)

49

d)

-49

126.

-10 x 3 x -2

a)

-60

b)

60

c)

63

d)

-30

127.

When dividing integers....

a)

follow the same rules as multiplying integers

b)

Follow the same rules as adding integers

c)

Follow the same rules as subtracting integers

d)

Always do the opposite

128.

(-25) ÷ (-5)

a)

5

b)

-5

c)

-20

d)

-30

129.

64 ÷ (-8)

a)

8

b)

-8

c)

-9

d)

-7

130.

14 ÷ (-2)

a)

-12

b)

7

c)

-7

d)

16

131.

-18 ÷ (-2)

a)

9

b)

-9

c)

-20

d)

10

132.

(-5 + -3) ÷ 2

a)

-8

b)

4

c)

-4

d)

8

133.

(10 × -4) ÷ 5

a)

8

b)

-8

c)

40

d)

-40

134.

(-3 + -7) × (-5) ÷ (-2)

a)

-50

b)

50

c)

25

d)

-25

135.

44/-4=

a)

11

b)

-8

c)

-11

d)

-1/11

136.

-3(-4)

a)

-12

b)

7

c)

-7

d)

12

137.

-30/-10=

a)

-30

b)

-3

c)

3

d)

30

138.

-10(4)

a)

40

b)

-14

c)

-40

d)

14

139.

-8(0)=

a)

-8

b)

8

c)

0

d)

-80

140.

-20/5=

a)

-4

b)

4

c)

-100

d)

100

141.

-7(10)=

a)

70

b)

700

c)

-70

d)

-700

142.

(-6)²=

a)

36

b)

12

c)

-36

d)

-12

143.

When multiplying or dividing a NEGATIVE and POSITIVE number your result will be...

a)

Positive

b)

Negative

c)

Depends on which is bigger.

144.

When multiplying or dividing a NEGATIVE and NEGATIVE number your result will be...

a)

POSITIVE

b)

NEGATIVE

c)

DEPENDS ON WHICH NUMBER IS LARGER.

145.

(2)(-5)

a)

-10

b)

10

146.

(-4)(6)

a)

-24

b)

24

147.

(-4)(6)

a)

-24

b)

24

148.

Is the product of -5(-2) positive or negative?

a)

positive

b)

negative

149.

-4(-1)(-2)

a)

-8

b)

8

c)

-7

d)

7

150.

-24 ÷ (-8)

a)

32

b)

-3

c)

-16

d)

3

151.

-8 ÷ (-8)

a)

-1

b)

1

c)

0

d)

-16

152.

21 ÷ (-3) =

a)

18

b)

-18

c)

7

d)

-7

153.

- 6 ÷ 3 =

a)

2

b)

-2

c)

7

d)

-7

154.

45 ÷ (-9) =

a)

8

b)

-8

c)

5

d)

-5

155.

- 30 ÷ (-5) =

a)

8

b)

-8

c)

6

d)

-6

156.

When multiplying or dividing a NEGATIVE and POSITIVE number your result will be...

a)

Positive

b)

Negative

c)

Depends on which is bigger.

157.

When multiplying or dividing a NEGATIVE and NEGATIVE number your result will be...

a)

POSITIVE

b)

NEGATIVE

c)

DEPENDS ON WHICH NUMBER IS LARGER.

158.

-5 x -8

a)

-40

b)

-13

c)

-45

d)

40

159.

Solve:
80 + (-8) =

a)

88

b)

-88

c)

72

d)

-72

160.

Solve:
-15 - 3 =

a)

12

b)

-12

c)

-18

d)

18

161.

When multiplying or dividing integers with different signs your result will be ______________.

a)

Positive

b)

Negative

c)

Depends which number is bigger.

162.

Solve:
-7(6) =

a)

-13

b)

-48

c)

42

d)

-42

163.

-5 + 6 - (-9) - 1

a)

-9

b)

1

c)

9

d)

2

164.

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

a)

-9 + (-22) = -13

b)

9 + (-22) = 13

c)

9 + (-22) = -13

d)

none

165.

In Buffalo, New York, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?

a)

-7°F

b)

-21°F

c)

7°F

d)

21°F

166.

-15 ÷ 3

a)

5

b)

-5

c)

45

d)

-45

167.

The sum of two positive integers will be...

a)

Positive

b)

Negative

c)

Zero

168.

When adding integer with different signs...

a)

use the greatest absolute value to find the sum

b)

add the numbers and the term with the greatest absolute value will determine the sign for the sum

c)

multiplying the same signs will give you a positive product

d)

subtract the numbers and the term with the greatest absolute value will determine the sign for the sum

169.

Negative + Negative = ??

a)

Positive

b)

Negative

c)

It Depends

170.

Positive + Positive = ??

a)

Positive

b)

Negative

c)

It Depends

171.

When you add opposites, what do you get?

a)

0

b)

A negative number

c)

Attraction

d)

You cannot add opposites

172.

Find the answer to $\left(-24\right)\div\left(-4\right)\$ .

a)

(-6)

b)

(-28)

c)

6

d)

4

173.

What is the result of (-9) x 7?

a)

63

b)

(-63)

c)

16

d)

(-2)

174.

What is the result of (-4) + (-5)?

a)

9

b)

20

c)

(-20)

d)

(-9)

175.

Find the result. 7 - (-4)

a)

11

b)

(-11)

c)

3

d)

(-3)

176.

Solve. (-22) - 44

a)

66

b)

22

c)

(-66)

d)

(-22)

177.

The √40 is between which two integers?

a)

39 and 41

b)

6 and 7

c)

5 and 6

d)

19 and 21

178.

The √21 is between which two integers?

a)

5 and 6

b)

20 and 22

c)

4 and 5

d)

10 and 11

179.

What is the area of a square with a side of 7?

a)

14

b)

28

c)

49

d)

64

180.

In between what two integers is the square root of 44?

a)

3 and 4

b)

4 and 5

c)

5 and 6

d)

6 and 7

181.

The area of a square is 36 cm². What is the length of one side?

a)

6 cm

b)

24 cm

c)

9 cm

d)

9 cm

182.

Square root is the inverse of ____________.

a)

Cube Roots

b)

Squaring

c)

Multiplication

d)

Absolute Value

183.

If you have 196 chairs and you need to arrange them in an equal amount of row and columns, how many chairs will be in each row?

a)

12

b)

13

c)

14

d)

15

184.

Which of the following is NOT a perfect square?

a)

1

b)

4

c)

100

d)

8

185.

Which of the following is not a perfect square?

a)

110

b)

4

c)

1

d)

81

186.

What is the area of a square with a side of 12?

a)

144

b)

24

c)

48

d)

6

187.

A perfect square is when a whole number is multiplied by itself?

a)

FALSE

b)

TRUE

188.

To find the square root of a number, you must divide it by 2.

a)

True

b)

False

189.

12) Which pair of numbers are both between 6 and 7?

a)

b)

c)

d)

190.

Between which 2 consecutive numbers on the number line does the square root of 23 lie?

a)

-5 and -4

b)

-2 and -1

c)

2 and 3

d)

4 and 5

191.

Evaluate ∛1

(a)

192.

∛8

(a)

193.

Evaluate ∛27

(a)

194.

Evaluate ∛64

(a)

195.

Evaluate ∛125

(a)

196.

Evaluate ∛216

(a)

197.

Evaluate ∛343

(a)

198.

Evaluate ∛512

(a)

199.

Evaluate ∛729

(a)

200.

Evaluate ∛1000

(a)

201.

$2^{3\ }=$

a)

2

b)

6

c)

8

d)

9

202.

$3^{3\ }=$

a)

3

b)

9

c)

27

d)

33

203.

$4^{3\ }=$

a)

44

b)

64

c)

43

d)

12

204.

$5^{3\ }=$

a)

15

b)

25

c)

125

205.

$\sqrt[3]{1000}$

a)

10

b)

100

c)

125

206.

$\sqrt[3]{125}$

a)

3125

b)

5

c)

25

207.

$\sqrt[3]{9}$

a)

39

b)

9

c)

2.08

208.

$\sqrt[3]{27}$

a)

3

b)

4

c)

327

209.

$\sqrt[3]{8}$

a)

2

b)

4

c)

38

210.

Which number is not a perfect cube?

a)

8

b)

30

c)

125

d)

216

211.

Which number is a factor of 10

a)

3

b)

4

c)

5

d)

8

212.

Find the HCF of 12 and 15 ?

a)

2

b)

2 x 3

c)

3

d)

60

213.

Find the HCF of 40 and 60?

a)

10

b)

20

c)

30

d)

None of the above

214.

What is the LCM of 6 and 8 ?

a)

12

b)

18

c)

24

d)

36

215.

Find the HCF of 30 and 36

a)

2

b)

3

c)

4

d)

6

216.

Which answer lists all the factors for 40?

a)

1,2,4,5,8,12,14,40

b)

1,2,3,4,5,8,10

c)

1,2,4,5,8,10,20,40

d)

1,2,4,5,6,7,8,9,10

217.

What is the LCM of 4 and 12?

a)

4

b)

8

c)

12

d)

16

218.

Derek advises a patient to have a scale every 4 months and a polish every 6 months. If they have a scale and polish today, how long will they wait before they can have both during the same appointment?

a)

HCF

b)

LCM

219.

There are two loaf cakes. One is 35cm long and one is 21cm long. They want to cut the cake up and sell the slices, but all the slices must be equal. What is the largest slices that they can cut them into?

a)

HCF

b)

LCM

220.

Find the LCM of 8 and 24 ...

a)

24

b)

48

c)

32

d)

64

221.

HCF and LCM of 20 and 14 are...

a)

2 dan 140

b)

2 dan 70

c)

3 dan 140

d)

3 dan 70

222.

Find the HCF of 25 and 35

a)

10

b)

5

c)

7

d)

1

223.

The Lowest Common Multiple (LCM) of 24 and 60 is:

a)

90

b)

120

c)

30

d)

10

224.

Find the HCF of 6 and 8

(a)

225.

Find the HCF of 20 and 35

(a)

226.

Find the HCF of 22 and 44

(a)

227.

Find the LCM of 2 and 3

(a)

228.

Find the LCM of 5 and 6

(a)

229.

Find the LCM of 6 and 15

(a)

230.

Find the HCF of 12 and 18

(a)

231.

Find the LCM of 12 and 18

(a)

232.

Find the HCF of 30 and 105

(a)

233.

Find the LCM of 30 and 105

(a)

234.

Find the HCF of 18 and 24

(a)

235.

Find the LCM of 18 and 24

(a)

236.

Find the HCF of 30, 36 and 48

(a)

237.

Find the LCM of 30, 36 and 48

(a)

238.

Find the HCF of 12 and 16...

a)

2

b)

4

c)

6

d)

8

239.

Find the HCF of 20 and 24

a)

6

b)

4

c)

5

d)

12

240.

Find the HCF of 21 and 28

a)

3

b)

4

c)

7

d)

14

241.

Find the LCM of 12 and 16...

a)

48

b)

36

c)

64

d)

96

242.

Find the highest common factor of 36 and 84.

a)

5

b)

6

c)

4

d)

12

243.

Find the HCF for 18, 36, and 81

a)

3

b)

2

c)

6

d)

9

244.

Find the LCM for 6, 18, and 36

a)

6

b)

18

c)

36

d)

108

245.

A carpenter got given some free wooden planks. Some are 12m long and some are 18m long. She wants to cut them up so that she has equal size planks to make using them easier. What size planks should she cut them into to avoid wasting any wood?

a)

HCF

b)

LCM

246.

Derek advises a patient to have a scale every 4 months and a polish every 6 months. If they have a scale and polish today, how long will they wait before they can have both during the same appointment?

a)

HCF

b)

LCM

247.

Sophie checks her bike for repairs every 9 days and Susan check hers every 12 days. If they both check their bikes today, after how many days do they next both check their bike again?

a)

HCF

b)

LCM

248.

There are two positive integers, a and b. Given that their LCM is 120. Which of the followings cannot be their HCF?

a)

60

b)

36

c)

15

d)

40

249.

The product of two numbers is 1400, which of the following will never be its HCF and LCM (respectively)?

a)

20, 70

b)

40, 35

c)

100, 140

d)

50, 28

250.

A number is expressed as

2³x 3³x 5.

What is the number?

a)

11

b)

72

c)

270

d)

1080

251.

The HCF of 140 and x is 20 while their LCM is 420. Find the value of x.

a)

60

b)

70

c)

80

d)

210

252.

a)

28

b)

49

c)

98

d)

14

253.

a)

40

b)

45

c)

63

d)

98

254.

k is an integer. The LCM of k and 12 is 120 while their HCF is 4. Find the value of k.

a)

480

b)

144

c)

24

d)

40

255.

a)

144

b)

72

c)

36

d)

24

Midterm Revision

Total questions: 255

Worksheet time: 9hrs 57mins

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