Complete the analogy: 3 : 9 :: 7 : ?
Correct answer: B. 49
- A. 42
- B. 49
- C. 56
- D. 63
Explanation
The second number is the square of the first number. Therefore, 7 squared equals 49.
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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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