SSC CHSL 6 Dec 2015 Shift 2 Paper

Question : 124 of 200

Marks: +1, -0

The current ages of Sonali and Monali are in the ratio 5 : 3 Five years from now, their ages will be in the ratio 10 : 7 Then, Monali’s current age is

9 years
15 years
3 years
5 years

Validate

Solution:

Let current ages of Sonali and Monali are 5x and 3x years respectively.
According to ques,
⇒

{5x+5 }/ {3x+5}= 10/7

⇒

35x + 35 = 30x + 50

⇒

35x − 30x = 50 − 35

⇒

5x = 15

⇒

x =15/ 5 =3

∴ Monali’s current age = 3 × 3 = 9 years

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