Problems on H.C.F and L.C.M
The least positive integer which is a perfect square and also divisible by each of 6,12, 18 and 24?

141
144
152
148

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?

630
420
770
540

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP