The ratio of 2 numbers is 2:8 and their H.C.F. is 40. Their L.C.M. is ?
Choose one
A) 400	B) 120	C) 80	D) 320	E) 40
Let the numbers be 2x and 8x   Their H.C.F. = 40   so the numbers are 2*40 , 8*40 = 80, 320   L.C.M. = 320   Answer is 320
<result>D</result>
The ratio of 2 numbers is 2:8 and their H.C.F. is 40. Their L.C.M. is ?