The ratio of numbers is 3:4 and their H.C.F is 4. Their L.C.M is:  Pick
A) 12  B) 16  C) 24  D) 48  E) 98

Rationale: "let the numbers be 3 x and 4 x . then their h . c . f = x . so , x = 4 . so , the numbers are 12 and 16 . l . c . m of 12 and 16 = 48 . answer : d"
Answer: D