Allied & ICAR Exam Bank • ALLIED_1843 MCQ • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

The harmonic mean of two numbers is 4.8. If their arithmetic mean is 5, their geometric mean is:

Options:

  • (A) $\sqrt{24} \approx 4.899$
  • (B) 4.8
  • (C) 5.2
  • (D) 4.5

Answer Key:

A

Step-by-Step Solution & Explanation

$GM^2 = AM \times HM = 5 \times 4.8 = 24 \implies GM = \sqrt{24}$.
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