Interview Q&A / Aptitude
Aptitude interview questions
Quantitative shortcuts for placement tests: percentages, time and work, and more.
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- 12 men can finish a job in 18 days working 8 hours a day. How many days will 16 men take working 9 hours a day?
12 days. Total work in man-hours = 12 x 18 x 8 = 1,728. With 16 men at 9 hours a day, daily output = 144 man-hours, so days = 1,728 / 144 = 12.
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