Three numbers are in the ratio of 3:4:5 and their L.M.C is 2400, then find out the H.F.C?

A 40

B 50

C 56

D 70

Solution

Correct Answer: Option A

ধরি, সংখ্যাত্রয় 3x, 4x এবং 5x
এদের ল.সা.গু(L.C.M) = 60x এবং গ.সা.গু(H.F.C) = x
প্রশ্নমতে, 60x = 2400
বা, x = 2400/60 = 40.

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