The ratio of 2 numbers is 3:7 and their H.C.F. is 12. Their L.C.M. is ?  Select the correct option:	A) 20	B) 24	C) 252	D) 136	E) 160
Let the numbers be 3x and 7x   Their H.C.F. = 3   so the numbers are 3*12 , 7*12 = 36,84   L.C.M. = 252   Answer is 252
<result>C</result>
The ratio of 2 numbers is 3:7 and their H.C.F. is 12. Their L.C.M. is ?