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SSC Selection Post 2023 PYQ — Question 71

SSC Selection Post - Matriculation Level - 30 June 2023 - Shift 3 • Quantitative Aptitude • Q71

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What is the fourth proportional to the numbers 8, 66, and 112?

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Correct answer: C

Explanation

The correct answer is option 3 i.e. 924.

Let the fourth proportional be x

According to the question,

⇒ 866=112x{8\over66}={112\over x}

⇒ 166=14x{1\over66}={14\over x}

⇒​​​​​​​ x = 924