Ages Increase Simple Problem

One of those questions that take like 5 seconds to solve 😉 The Ages Increase Simple Problem is as shown below :

Question :

Present ages of X and Y are in the ratio 5:6 respectively.Seven years hence this ratio will become 6:7 respectively.
what is X’s present age in years?

a)35
b)42
c)Cannot be determined
d)None of these

Solution :  The Solution can be found at : http://aptitudeacademy.co.in/forum/index.php?topic=18.0

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