Question

Rajeev's age after 15 years will be 5 times his age 5 years back. What is the present age of rajeev?
A) 12
B) 14
C) 22
D) 10

Answer 1

Let Rajeev's present age be x years. ThenRajeev's age 15 years= (x+15) years.Rajeev's age 5 years back= (x-5) years.Therefore‹=› x+15=5(x-5)‹=› x+15= 5x-25‹=› 4x=40‹=› x=10.

Answer 2

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Here is your answer
Let the Rajeev present age is x years

After 15 years Rajeev age is (x + 15) years

5 years ago Rajeev age is (x - 5) years
ATQ
$5(x - 5) = x + 15 \\ 5x - 25 = x + 15 \\ 5x - x = 15 + 25 \\ 4x = 40 \\ x = \frac{40}{4} \\ x = 10 \: years$
Therefore Present age of Rajeev is 10 years

Option (D) 10 years is your answer

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