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SSC CGL 2024 PYQ — Question 59

SSC CGL - 23 Sep 2024 - Shift 2 • Quantitative Aptitude • Q59

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Hema is 20 years old and her sister Neha is 30 years old. How many years ago were their ages in the ratio of 3 : 5?

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Correct answer: D

Explanation

The correct answer is option 4 i.e. 5.

Let the number of years be x.

According to the given question,

20−x30−x=35\frac{20 - x}{30 - x} = \frac{3}{5}

⇒ 5(20 - x) = 3(30 - x)

⇒ 100 - 5x = 90 - 3x

⇒ 2x = 10 

⇒ x = 5