Time and Work - Quantitative Aptitude (MCQ) questions for Q. 29217

Q.  A and B can finish a piece of work in 30 days, B and C can finish it in 15 days, C and A in 10 days. Time taken by them together to do this work is?
- Published on 07 Jul 17

a. 5 days
b. 2(1/2) days
c. 7(1/2) days
d. 10 days

ANSWER: 10 days
 
time and work

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