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### Question

Mr. P is thrice as efficient as Mr. Q and can finish a piece of work by taking 26 days less. In how many days does Mr. P finish that work?

**A**

13.

**B**

12.

**C**

14.

**D**

15.

**Soln.**

**Ans: a**

Let the time taken by P be x days. Then the time taken by Q is 3x. The difference is 3x - x. So, 2x = 26. Solving, x = 13.