61. Which is the 3rd Step of Finding HCF using Prime Factorization Method:

A) Multiply common factors

B) Identify common factors

C) List prime factors of all numbers.

D) None of the above

62. A diagram that uses circles to represent set and their relationship is called:

A) Circumference

B) Venn Diagram

C) Circular Diagram

63. In Venn Diagram, the product of the common number is the HCF.

A) True

B) False

64. To find the prime factorization of any number keep on multiplying the number by the prime number 2,3,5,7 till it cannot be divided any more:

A) True

B) False

65. A company uses two types of boxes 6 cm and 8 cm long. They are packed in larger cartons to be shipped. What is the shortest length of the cartons that will accommodate boxes of either size without any room left over.

A) 6

B) 8

C) 24

D) 14

66. Find the least number of toffees which can be exactly divided among 35, 42 and 28 childern.

A) 5

B) 3

C) 2

D) 60

67. Find the HCF of 6 and 9

A) 2

B) 3

C) 6

D) 9

68. Find the LCM of 9 and 12:

A) 9

B) 21

C) 12

D) 36

69. What is the greatest number that exactly divides 35, 45 and 55.

A) 2

B) 3

C) 4

D) 5

70. Which number has no factors except it self:

A) 1

B) Prime Number

C) Composite Number

D) None of the above

71. The least number that is divisible by any number in the group is called:

A) HCF

B) LCM

C) Variable

D) None of the above

72. 2/3 is a ___ fraction:

A) Irregular

B) Common

C) Mixed

D) It is not a fraction

73. When one unit whole quantity is divided into equal parts, all the parts are called:

A) Decimals

B) Fraction

C) Whole Number

D) Integers

74. 7/10. Here 7 is :

A) Numerator

B) Denominator

C) Divisor

D) None of the above

75. 7/10. Here 10 is:

A) Numerator

B) Denominator

C) Divisor

D) None of the above

76. In Like Fraction the Denominators are different.

A) True

B) False

77. In Unlike Fractions the denominators are different.

A) True

B) False

78. Which is the 2nd Step of Process of Unlike Fractions:

A) Multiply and Divide each fraction by a number so that denominator becomes equal to the LCM.

B) Find LCM of the Denominators of the given fractions

C) Now all the fractions have same denominators and are like