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A tank is three-fifths full. After 24 litres are added, it is four-fifths full. What is the tank's total capacity?

Correct answer: B. 120 litres

  • A. 96 litres
  • B. 120 litres
  • C. 144 litres
  • D. 168 litres

Explanation

The added 24 litres represent one-fifth of the tank. Multiplying 24 by 5 gives a total capacity of 120 litres.

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About Quantitative Reasoning

Quantitative reasoning applies arithmetic and basic algebra to numerical relationships, including percentages, ratios, averages, fractions, proportions, profit and loss, rates, time, work and measurement. Questions focus on translating words into equations, choosing an efficient method and checking whether the result is numerically reasonable.

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