railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Time and Work

A can paint seven chairs in an hour and B can paint four chairs in an hour. Determine how much time they will require to paint 55 chairs when they work together.

1

7 hours

2

5 hours

3

6 hours

4

4 hours

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