Allied & ICAR Exam Bank • ALLIED_1702 MCQ • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

If $\log(a/b) + \log(b/a) = \log(a+b)$, then which of the following must be true?

Options:

  • (A) $a + b = 1$
  • (B) $a - b = 1$
  • (C) $a = b$
  • (D) $a + b = 0$

Answer Key:

A

Step-by-Step Solution & Explanation

$\log(a/b \times b/a) = \log 1 = 0$. Thus $\log(a+b) = 0 \implies a + b = 1$.
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