Three numbers are in the ratio 3:4:5 and their L.C.M. is 240. Their H.C.F is?
Choose the correct choice
A) 2	B) 3	C) 4	D) 5	E) 6
Let the numbers be 3x,4x and 5x   their L.C.M. = 60x   60x = 240   x = 4   The numbers are 3*4 , 4*4 , 5*4   Hence required H.C.F. = 4   Answer is 4
<result>C</result>
Three numbers are in the ratio 3:4:5 and their L.C.M. is 240. Their H.C.F is?