Problems on H.C.F and L.C.M
A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square tiles, all of the same size. what is the largest size of the tile which could be used for the purpose?

42 cms
None of these
21 cms
14 cms

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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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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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