Time and Work - Quantitative Aptitude (MCQ) questions for Q. 28526

Q.  When P alone does a work, he takes 25 days more than the time taken by P and Q working together to complete the work. But Q alone takes 9 days more than the time taken by P and Q working together to complete the work. In what time, P and Q together finish this work?
- Published on 15 Mar 17

a. 18 days
b. 20 days
c. 25 days
d. 15 days

ANSWER: 15 days
 
work and time

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    Discussion

  • Y.MADHAN TEJA   -Posted on 19 Jun 17
    sir,why you have subtracted alone work of 'b' from alone work of 'a' to get the alone work of 'a' itself??????

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