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Asked in Maths and Science Reasoning Mock

The sum of three-fourths of the number a and 24 is positive 9. What is the value of a ?

Correct answer: B. -20

  • A. -44
  • B. -20
  • C. 20
  • D. 44

Explanation

The correct answer is Option B: -20.By solving the equation 3/4a + 24 = 9, we find that a = -20 after isolating the variable. Therefore, the value of a is -20.Options A, C, and D are incorrect because they do not yield the correct value of a when the equation is solved.

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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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