Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:

Answers (1)

sum of the ratios =3+4+5=12

Therefore, 
(3/12)*2400=600
(4/12)*2400=800
(5/12)*2400=1000
Hence the h.c.f ==  200

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