Chain Rule - Quantitative Aptitude (MCQ) questions for Q. 20757

Q.  34 men can complete a piece of work in 18 days. In how many days will 17 men complete the same work?
- Published on 07 Jul 17

a. 12
b. 18
c. 24
d. 36
e. None of these

ANSWER: 36
 
Let the required number of days be A.
Then, Less men, More days (Indirect Proportion)
17 : 34 : : 18 : A
17 x A = 34 x 18
A = (34 x 18) / 17
A = 36

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