Allied & ICAR Exam Bank • ALLIED_2341 MCQ • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

The average temperature of Monday, Tuesday, and Wednesday was $37^\circ\text{C}$, and that of Tuesday, Wednesday, and Thursday was $34^\circ\text{C}$. If Thursday's temperature was $4/5$ of Monday's temperature, the temperature on Thursday was:

Options:

  • (A) $36^\circ\text{C}$
  • (B) $35^\circ\text{C}$
  • (C) $32^\circ\text{C}$
  • (D) $38^\circ\text{C}$

Answer Key:

A

Step-by-Step Solution & Explanation

$M + T + W = 3 \times 37 = 111$. $T + W + Th = 3 \times 34 = 102$. Subtracting gives $M - Th = 9$. Since $Th = (4/5)M$, $M - (4/5)M = 9 \implies M/5 = 9 \implies M = 45^\circ\text{C}$. Thus $Th = 45 - 9 = 36^\circ\text{C}$.
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