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Problems on H.C.F and L.C.M

Problems on H.C.F and L.C.M
The least number which when increased by 5 is divisible by each one of 24, 32, 36 and 54, is

427
869
859
4320

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
252 can be expressed as a product of primes as:

3 x 3 x 3 x 3 x 7
2 x 3 x 3 x 3 x 7
2 x 2 x 2 x 3 x 7
2 x 2 x 3 x 3 x 7

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Clearly, 252 = 2 x 2 x 3 x 3 x 7.

Problems on H.C.F and L.C.M
Find the L.C.M.. of 72, 108 and 2100.

38600
38000
37000
37800

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
The greatest number of five digits which is divisible by 32, 36, 40, 42 and 48 is:

90725
90715
90730
90720

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
The least number of five digits that have 144 their HCF is?

10085
10080
10070
10075

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
The H.C.F. of two numbers is 11 and their L.C.M. is 693. If one of the numbers is 77,find the other.

99
79
89
109

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Other number = 11 X 693   = 99                              77                            

MORE MCQ ON Problems on H.C.F and L.C.M

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