The L.C.M of two numbers is 48. The numbers are in the ratio 1:3. The sum of numbers is:  Choose the correct option:
A) 28  B) 30  C) 40  D) 50  E) 64
Let the numbers be 1x and 3x.   Then, their L.C.M = 3x. So, 3x = 48 or x = 16.   The numbers are 16 and 48.   Hence, required sum = (16 + 48)= 
<gadget id="calculator">(16 + 48)</gadget>
<output>64</output>
64.   ANSW64R:64
<result>E</result>
The L.C.M of two numbers is 48. The numbers are in the ratio 1:3. The sum of numbers is: