Interview Q&A / Aptitude
Aptitude interview questions
Quantitative shortcuts for placement tests: percentages, time and work, and more.
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- A can finish a job in 6 days and B in 12 days. If they work on alternate days, starting with A, in how many days will the job be finished?
8 days. With 12 units of work, A does 2 units a day and B 1. Every 2-day cycle does 3 units, so 4 cycles (8 days) finish exactly 12 units.
IntermediateQuick answer1 min read