Chain Rule - Quantitative Aptitude (MCQ) questions for Q. 28252

Q.  4 women and 4 children start working together. How many days will they need to paint a house completely, if 3 women alone can paint the house in 18 days and 6 children too alone can do the same in 18 days?
- Published on 10 Mar 17

a. 6 days
b. 4.5 days
c. 27 days
d. 9 days

ANSWER: 9 days
 
chain rule

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