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SSC CHSL 2023 PYQ — Question 63

SSC CHSL - 08 Aug 2023 - Shift 2 • Quantitative Aptitude • Q63

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If √a = 3b, then ab2a\over b^2 is equal to:

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Correct answer: D

Explanation

The correct answer is option 4 i.e. 9.

Given, √a = 3b

⇒ b = √a/3

⇒ b2 = a/9

Now, putting the value in given expression,

⇒ ab2a\over b^2 = a/(a/9) = 9