# GMAT Question of the Day: GMAT Work Problems

5 painters, each working at the same rate, together can paint a certain fence in 25 days. By what percent must the rate of each painter increase so that they can complete the job in ten days?

A. 125%

B. 150%

C. 200%

D. 250%

E. 275%

Answer: B

Here are another bunch of cooperative work and rate questions to practice on:

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