Allied & ICAR Exam Bank • ALLIED_1756 MCQ • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Ratios & Percentages

Question Statement:

The population of a bacterial culture doubles every 3 hours. If the initial count is 5,000, what will be the count after 15 hours?

Options:

  • (A) 160,000
  • (B) 80,000
  • (C) 320,000
  • (D) 120,000

Answer Key:

A

Step-by-Step Solution & Explanation

Number of periods $= 15 / 3 = 5$. Count $= 5000 \times 2^5 = 5000 \times 32 = 160000$.
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