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 ?

540
770
630
420

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Problems on H.C.F and L.C.M
What is the least number of that is exactly divisible by 4, 12, 15, and 18?

60
180
150
110

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP