5 years ago, the ratio of the age of A to that of B was 4 : 5. Five ye
| 5 years ago, the ratio of the age of A to that of B was 4 : 5. Five years hence, the ratio of the age of A that of B will be 6 : 7. If at present, C is 10 years younger than B, then what will be the ratio of the present age of A to that of C?
A. 5 : 4
B. 5 : 3
C. 4 : 3
D. 3 : 2
Right Answer is: A
SOLUTION
2 unit = 10
1 unit = 5
Ratio of present age of A and B = 
Hence the present age of C = 30 – 10 = 20
Required –
A : C = 25 : 20
= 5 : 4
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5 years ago, the ratio of the age of A to that of B was 4 : 5. Five ye