Mathematics MCQs

Page No. 9

Find the highest common factor of 36 and 84.


a4


b6


c12


d18


View Answer 12

Find the lowest common multiple of 24, 36 and 40.


a120


b240


c360


d480


View Answer 360

The G.C.D of 1.08, 0.36 and 0.9 is________?


a 0.03


b0.9


c0.18


d0.108


View Answer 0.18

H.C.F of 3240, 3600 and a third number is 36 and their L.C.M is 24 * 35 * 52 * 72. The third number is___________?


a22 * 35 * 72


b22 * 53 * 72


c22 * 52 * 72


d23 * 35 * 72


View Answer 22 * 35 * 72

Three numbers are in the ratio 1:2:3 and their H.C.F is 12. The numbers are__________?


a4, 8, 12


b5, 10, 15


c10, 20, 30


d12, 24, 36


View Answer 12, 24, 36

The ratio of numbers is 3:4 and their H.C.F is 4. Their L.C.M is__________?


a12


b16


c24


d48


View Answer 48

The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above conditions is__________?


a4


b6


c8


d12


View Answer 4

The product of two numbers is 4107. If the H.C.F of these numbers is 37, then the greater number is_________?


a101


b107


c111


d185


View Answer 111

The product of two numbers is 2028 and their H.C.F is 13. The number of such pairs is__________?


a1


b2


c3


d4


View Answer 2

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________?


a75


b81


c85


d89


View Answer 85

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