Chain Rule - Quantitative Aptitude (MCQ) questions for Q. 28569

Q.  40 boys working 9 hours per day paint a house in 96 days. How many hours per day 48 boys need to work so they can paint the house in 45 days?
- Published on 15 Mar 17

a. 24
b. 16
c. 18
d. 27

ANSWER: 16
 
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