Mathematics Class 6th

61. A _____ is a number which divides the dividend completely leaving no remainder.

A) Multiplier

B) Factor

C) Addition

D) Subtraction

62. A _____ is a natural number that has exactly two factors

A) Prime number

B) Composite number

C) Compound number

D) Whole number

63. A ____ is a natural number that has more than two factors.

A) Prime number

B) Whole number

C) Composite number

D) Compound numbe

64. 1 is neither prime nor composite number.

A) True

B) False

65. 19 is a ____ number.

A) Composite

B) Prime

C) Whole

D) None of thes

66. 2 and 3 are factors of 6.

A) True

B) False

67. 6 is multiple of 2 and 4.

A) True

B) False

68. 8 is multiple of 2 and 4.

A) True

B) False

69. Numbers which are multiples of 2 are called _____

A) Even number

B) Odd number

C) Whole number

D) None of these

70. All prime numbers are odd numbers.

A) True

B) False

71. ____ is the only even prime number.

A) 2

B) 4

C) 6

D) 8

72. Numbers which are not the multiples of 2 are called ____ number.

A) Even

B) Composite

C) Odd

D) None of these

73. 20 have ______ factors.

A) 4

B) 5

C) 3

D) 2

74. A number is divisible by 2 if its digit at unit place is ___

A) Prime

B) Odd

C) Even

D) None of these

75. A number is divisible by 4 if its last two digits are either ___ or divisible by 4.

A) 0

B) 1

C) 3

D) 5

76. A number is divisible by 3 if the ____of its digits is divisible by 3.

A) Sum

B) Subtraction

C) Division

D) Multiplication

77. A number is divisible by 5 if the last digit is either 5 or ___

A) 1

B) 0

C) 4

D) 2

78. The HCF of 30 and 24 is ____

A) 2 × 3

B) 6

C) 30

D) Both A and B

79. HCF of 72 and 60 is ____

A) 2*2*3

B) 12

C) Both A & B

D) None of these

80. The HCF of 28, 42 and 70 is ___

A) 14

B) 2

C) 21

D) None of these