The ratio of 2 numbers is 10:20 and their H.C.F. is 100. Their L.C.M. is ?	Choose the correct choice from the following answers
A) 1100  B) 3000  C) 2100  D) 1000  E) 2000
Let the numbers be 10x and 20x   Their H.C.F. = 100   so the numbers are 10*100 , 20*100 = 1000, 2000 L.C.M =2000   Answer is 2000
<result>E</result>
The ratio of 2 numbers is 10:20 and their H.C.F. is 100. Their L.C.M. is ?