The L.C.M. of 2 numbers is 54. The numbers are in the ratio 2:3. Find their sum? Choose the correct answer:
A) 36	B) 40	C) 45	D) 32	E) 56
Let the numbers be 2x and 3x   L.C.M. = 6x   6x = 54   x = 9   The numbers are = 18 and 27   Required sum = 18+27= 
<gadget id="calculator">18+27</gadget>
<output>45</output>
45   Answer is 45
<result>C</result>
The L.C.M. of 2 numbers is 54. The numbers are in the ratio 2:3. Find their sum?