210 oranges and 252 apples are equally packed in cartons so that no fruit is left. What is the biggest possible number of cartons needed?
Correct answer: B. 11
- A. 10
- B. 11
- C. 210
- D. 250
Explanation
210 and 252. Highest common factor is 42. 210 factors to = 2*5*3*7252 factors to = 2*2*3*3*7210/42 = 5252/42 = 65+6= 11 cartons
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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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