The L.C.M. of two numbers is 20 times their H.C.F. The sum of H.C.F. and L.C.M. is 2520. If one of the number is 480, the other number is :

The L.C.M. of two numbers is 20 times their H.C.F. The sum of H.C.F. a

1.	The L.C.M. of two numbers is 20 times their H.C.F. The sum of H.C.F. and L.C.M. is 2520. If one of the number is 480, the other number is :
A.	400
B.	480
C.	520
D.	600
Answer» E.