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UPSC 2017 CDS I Math Paper
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© examsnet.com
Question : 27
Total: 100
Leela got married 6 years ago. Today her age is
1
1
4
times her age at the time of her marriage. Her son’s age is
1
10
times her age. What is the present age of her son ?
[2017 CDS-I]
1 year
2 years
3 years
4 years
Validate
Solution:
Let the present age of her son be x years.
Therefore, present age of Leela = 10x years
Present age of Leela
=
1
1
4
×Age of Leela's 6 years ago
∴
10
x
=
5
4
(
10
x
−
6
)
⇒
8
x
=
10
x
−
6
⇒
2
x
=
6
⇒
x
=
3
Thus, the present age of her son is3 years.
© examsnet.com
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