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

A.	12:1	B.	10:1
C.	1:1	D.	None of these

Answer and Explanation

Answer:10:1

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

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