SSC JE Electrical Engineering 2011 Paper

Question : 35 of 150

Marks: +1, -0

A father's age is 3 times of his son's age at present.10 years back, the father's age was 5 times of his son's age. What is the age of the son at present ?

20 years
30 years
25 years
15 years

Validate

Solution:

Let son's age = x year
∴ Father’s age = 3x year at present
Now according to question

5(x-10)= (3x -10)

⇒

5x -50= 3x -10

⇒

2x= 40

∴

x = 20

years.

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