The ratio of two numbers is 1 : 3 and their H.C.F. is 6. Their L.C.M. is
Choose the correct choice from the following choices:
A) 48
B) 18
C) 56
D) 27
E) 67
Explanation:   Let the numbers be 1x and 5x. Then, their H.C.F. = x. So, x = 6.   So, the numbers 6 and 18.   L.C.M. of 6 and 18 = 18.   Option 18
<result>B</result>
The ratio of two numbers is 1 : 3 and their H.C.F. is 6. Their L.C.M. is