Three numbers are in the ratio 1 : 2 : 3 and their H.C.F is 12. The numbers are
Choose the most appropriate option.
A) 4, 8, 12  B) 5, 10,15  C) 10, 20, 30  D) 12, 24, 36  E) None
Solution   Let the required numbers be x, 2x and 3x.   Then, their H.C.F = x. So x = 12.   The numbers are 12, 24, 36.   Answer 12, 24, 36
<result>D</result>
Three numbers are in the ratio 1 : 2 : 3 and their H.C.F is 12. The numbers are