The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of numbers is__________?

A. 28
B. 32
C. 40
D. 64

Explanation:

Let the numbers be 2x and 3x.

Then, their L.C.M = 6x. So, 6x = 48 or x = 8.
The numbers are 16 and 24.
Hence, required sum = (16 + 24) = 40.