Question (9/25)
The age of father 10 years ago was thrice the age of his son. Ten years hence, father's age will be twice that of son. What is ratio of their present age ?(A) 5 : 2
(B) 7 : 3
(C) 9 : 2
(D) 13 : 4
Question (10/25)
Sam's grandfather was 8 times older to her 16 years ago. He would be 3 times of Sam's age 8 years from now. Eight years ago, what was the ratio of Sam's age to that of his grandfather ?(A) 10 : 11
(B) 11 : 15
(C) 11 : 53
(D) 53 : 12