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Aptitude Day 237

Answers of the day 236:    1. 2(8/11) days.
                                                  2. 9(3/13) days.

Problems to solve on Time and Work:

1. A can do a work in 10 days and B in 20 days. If they work on it together for 5 days, then the fraction of work that is left is:


2. A can do a piece of work in 30 days. B is 50% more efficient than A. The number of days taken by B to do the same work is:

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