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SSC Selection Post 2022 PYQ — Question 58

SSC Selection Post - Matriculation Level 2022 - 3 Aug 2022 - Shift 1 • Quantitative Aptitude • Q58

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The fourth proportional to 0.08, 0.12 and 6 is:

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Correct answer: D

Explanation

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

The fourth proportional to the numbers = 0.08, 0.12, 6

The fourth proportional = x


0.080.12=6x\frac{0.08}{0.12} = \frac{6}{x}

⇒ 0.08x=0.12×6=0.720.08x = 0.12 \times 6 = 0.72

x=0.720.08=9x = \frac{0.72}{0.08} = 9