Problem on Ages - Quantitative Aptitude (MCQ) questions for Q. 734

Q.  The ratio of the current ages of Ajay and Vijay is 7:4. The ratio between Ajay’s age 6 years ago and Vijay’s age 6 years from now is 1:1. Find the ratio between Ajay’s
age 12 years hence and Vijay’s age 12 years ago.

- Published on 06 Jul 15

a. 12:1
b. 10:1
c. 1:1
d. None of these

ANSWER: 10:1
 
Let the current age of Ajay and Vijay be 7x and 4x respectively.
(7x – 6) / 4x + 6 = 1/1
7x – 6 = 4x + 6
3x = 12
x = 4
Therefore, (7x + 12) / (4x – 12) = (7*4 + 12) / (4 * 4 -12) = 40/4 = 10/1

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