Allied & ICAR Exam Bank • ALLIED_1987 MCQ • 1 Mark

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

P is twice as efficient as Q, and together they can complete an engineering survey in 14 days. In how many days can P alone complete the entire survey?

Options:

  • (A) 21 days
  • (B) 28 days
  • (C) 35 days
  • (D) 18 days

Answer Key:

A

Step-by-Step Solution & Explanation

Combined rate = $2r + r = 3r$. Total work = $3r \times 14 = 42r$. Time for P alone = $42r / (2r) = 21$ days.
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