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SSC CHSL 2023 PYQ — Question 56

SSC CHSL - 11 Aug 2023 - Shift 2 • Quantitative Aptitude • Q56

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Find the third proportion of P and 12, when 8, P, 16 and 18 are in proportion.

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Correct answer: A

Explanation

The correct answer is option 1 i.e. 16.

8/P = 16/18

⇒ 16P = 144

⇒ P = 144/16 = 9

Third proportion of 9 and 12 = 122/9 = 144/9 = 16

Therefore, the third proportion of P and 12 is 16.