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Question

Fifteen years from now Ravi age will four times his present age what is Ravi present age

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Solution

Let ravi's present age be x
15 years later age becomes 4 times.
ie,


x+15 = 4x
x-4x = - 15
-3x = - 15(when we transport, the sign changes)

- 3x = - 15
- x = - 15÷3
- x = - 5
Or,x= 5
Therefore, ravi's present age is 5.

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