The L.C.M. of two numbers is 30. The numbers are in the ratio 2 : 3. Then sum of the number is:	Choose the correct choice from the following answers: A) 25 B) 32 C) 40 D) 53 E) 54

Rationale: "let the numbers be 2 x and 3 x . then , their l . c . m . = 6 x . so , 6 x = 30 or x = 5 . the numbers are 10 and 15 . hence , required sum = ( 10 + 15 ) = 25 . answer : option a"
Answer: A