Mathematics MCQs

Page No. 10

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


a28


b32


c40


d64


View Answer 40

Three numbers are in the ratio 3:4:5 and their L.C.M is 2400. Their H.C.F is:


a40


b80


c120


d200


View Answer 40

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____________?


a12


b48


c84


d108


View Answer 84

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__________?


a279


b283


c308


d318


View Answer 308

The L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 10, then their difference is__________?


a10


b46


c70


d90


View Answer 10

If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocal of the numbers is equal to___________?


a55/601


b601/55


c11/120


d120/11


View Answer 11/120

Product of two co-prime numbers is 117. Their L.C.M should be__________?


a1


b117


cequal to their H.C.F


dCannot be calculated


View Answer 117

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


a24


b48


c56


d60


View Answer 60

The H.C.F of two numbers is 23 and the other two factors of their L.C.M are 13 and 14. The larger of the two numbers is___________?


a276


b299


c322


d345


View Answer 322

Which of the following fractions is the largest?


a7/8


b13/16


c31/40


d63/80


View Answer 7/8

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