The ratio of two numbers is 3 : 4 and their H.C.F. is 5. Their L.C.M. is Choose the most appropriate option:
A) 48  B) 22  C) 56  D) 60  E) 35
Explanation:   Let the numbers be 3x and 4x. Then, their H.C.F. = x. So, x = 5.   So, the numbers 15 and 20.   L.C.M. of 15 and 20 = 60.   Answer: Option 60
<result>D</result>
The ratio of two numbers is 3 : 4 and their H.C.F. is 5. Their L.C.M. is