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

Problems on H.C.F and L.C.M
Three numbers are in the ratio 1 : 2 : 3 and their H.C.F is 12. The numbers are

5, 10, 15
12, 24, 36
10, 20, 30
4, 8, 12

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
Product of two co-prime numbers is 117. Their L.C.M should be:

equal to their H.
F
117
1
Cannot be calculated

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?

10070
10080
10085
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 7700. If one of the numbers is 275, then the other is:

308
508
208
408

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Other number = (11 x 7700/275) = 308.

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

9903
9936
9935
9930

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
The L.C.M. of two numbers is 45 times their H.C.F. If one of the numbers is 125 and the sum of H.C.F. and L.C.M. is 1150, the other number is:

225
215
220
235

ANSWER DOWNLOAD EXAMIANS APP
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