problems on l c m and h c f MCQs – Page 5

Practise focused problems on l c m and h c f questions with marked answers for exam preparation and subject revision.

problems on l c m and h c f Mcqs
81. LCM of 455, 117, 338 is________?
comments icon0

A. 107470

B. 104670

C. 106470

D. 10670

82. Find the greatest number of four digits which when divided by 10, 15, 21 and 28 leaves 4, 9, 15 and 22 as remainders respectively?
comments icon0

A. 9666

B. 9864

C. 9654

D. 9664

83. Greatest Common Divisor of two numbers is 8 while their Least Common Multiple is 144. Find the other number if one number is 16.
comments icon0

A. 96

B. 36

C. 72

D. 108

84. Find the size of the largest square slabs which can be paved on the floor of a room 5 meters 44 cm long and 3 meters 74 cm broad?
comments icon0

A. 38

B. 34

C. 56

D. 42

85. The H.C.F of two numbers is 8. Which of the following can never be their L.C.M?
comments icon0

A. 56

B. 60

C. 48

D. 24

86. The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of numbers is__________?
comments icon0
A. 40

B. 64

C. 32

D. 28

87. The H.C.F and L.C.M of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is____________?
comments icon0
A. 84

B. 48

C. 108

D. 12

88. Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is________?
comments icon0

A. 89

B. 81

C. 85

D. 75

89. The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is_________?
comments icon0

A. 305

B. 235

C. 127

D. 123

90. The least number of four digits which is divisible by 15, 25, 40 and 75 is_________?
comments icon0

A. 9800

B. 9400

C. 9600

D. 9000

91. What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?
comments icon0

A. 2520

B. 630

C. 1260

D. 196

92. The H.C.F of two numbers is 11 and their L.C.M is 7700. If one of the numbers is 275, then the other is__________?
comments icon0

A. 279

B. 308

C. 283

D. 318

93. The least number of four digits which is divisible by 4, 6, 8 and 10 is_________?
comments icon0
A. 1080

B. 1095

C. 1085

D. 1075