Discussion Forum



1)

Three numbers are in the ratio 1:2:3 and their H.C.F. is 12. The numbers are :


A) 4, 8, 12

B) 5, 10, 15

C) 10, 20, 30

D) 12. 24. 36

Answer:

Option D

Explanation:

Given hcf = 12 = a
Let the numbers be a,2a,3a
 
So the numbers are 1 x 12,2 x 12,3 x 12
                  = 12,24,36