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Find the L.C.M. of 72, 108 and 2100.

A. 39800

B. 38700

C. 36700

D. 37800

Correct Answer :

D. 37800


72 = 23 x 32, 108 = 33 x 22, 2100 = 22 x 52 x 3 x 7.


L.C.M. = 23 x 33 x 52 x 7 = 37800.

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