Problems on H.C.F and L.C.M
Find the smallest number which when increased by 5 is divisible by 9, 21, 25 and 30.?

1882
3145
2378
2567

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Problems on H.C.F and L.C.M
Find the L.C.M. of 16, 24, 36 and 54.

189
432
321
228

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Problems on H.C.F and L.C.M
Three friends Raju , Ramesh and Sunil start running around a circular stadium and complete a single round in 24 s, 36 s and 40 s, respectively. After how many minutes will they meet against at the sta

8 minutes
5 minutes
6 minutes
7 minutes

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