Allied & ICAR Exam Bank • ALLIED_1549 MCQ • 1 Mark

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

A container holds 40 liters of milk. From this, 4 liters are drawn and replaced with water. This process is repeated once more. The quantity of milk remaining in the container is:

Options:

  • (A) 32.4 liters
  • (B) 32.0 liters
  • (C) 34.2 liters
  • (D) 30.8 liters

Answer Key:

A

Step-by-Step Solution & Explanation

Remaining milk = $40(1 - 4/40)^2 = 40(0.9)^2 = 40 \times 0.81 = 32.4$ liters.
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