288 minutes = _ % of 1 day
Correct answer: C. 20
- A. 10
- B. 15
- C. 20
- D. 40
Explanation
To solve the problem, first calculate the total number of minutes in a day by multiplying 24 hours by 60 minutes, which equals 1440 minutes. The formula for percentage is (part/whole) x 100. Here, the 'part' is 288 minutes, and the 'whole' is 1440 minutes. Substituting these values into the formula gives:Percentage = (288/1440) x 100 = 20%Therefore, 288 minutes is 20% of one day.Option A (10%) and Option B (15%) are incorrect because they result in fewer minutes than 288 when calculated as percentages of 1440. Option D (40%) is incorrect because it results in more minutes than 288, specifically 576 minutes.
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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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