Question

2. After 12 years' Manoj will be 3 times as old as he was 4 years ago find his present age​

Answer 1

Answer:

Let present age of Manoj be x years.

Then,Manjoj's age after 12years =x+12

Manoj's age 4 years ago=x-4

According to the question.

x+12=3x-4

taking variable to 1 side and constant at the other side

3x-x=12+4

2x=16

x=16/2

x=8

hence, manoj's present age is 8 years

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