AGE BASED APTITUDE

A mother is twice as old as her son. If 20 years ago, the age of the mother was 10 times the age of the son, what is the present age of the mother?

1. 39 Years

2. 40 Years

3. 45 Years

4. 47 Years

The correct answer is 45 years

Explanation:

Let age of the son=x
mother's age=2x
According to the question,
20 years ago,
 
10(x-20)=2x-20
10x-200=2x-20
10x-2x=200-20
8x=180
x=180/8
x=22.5 Years


Therefore the Present age of the mother is 22.5*2= 45 Years.

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