Chain Rule - Quantitative Aptitude (MCQ) questions for Q. 28378

Q.  Posters stuck by a child is equal to the half the posters stuck by an adult. 20 adults and 16 children can stick all posters in 10 days. When 8 adults and 12 children start working together, in what time will they stick all the posters?
- Published on 10 Mar 17

a. 20 days
b. 24 days
c. 40 days
d. 25 days

ANSWER: 20 days
 
chain rule

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