Exams › IBPS PO › Quantitative Aptitude

A works day 1, B works day 2, C works day 3, then cycle repeats. In how many days is the work completed?

1. 6 days
2. 6 1/2 days
3. 7 days
4. 7 1/2 days

Correct answer: 6 1/2 days

Solution

Find individual rates for A, B, C. Work per 3-day cycle=A+B+C rates. After 2 complete cycles (6 days), compute remaining work and which day it finishes in the 7th cycle.

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