Question 47
If 8 people work 8 hours a day and finish a work in 8 days, how long will it take to finish the work if 4 people work 4 hours a day?
Solution
Using $$M_1D_1H_1$$ $$=M_2D_2H_2$$
Let time taken be $$D_2$$
=> $$8\times8\times8=4\times D_2\times4$$
=> $$D_2=4\times8=32$$ days
=> Ans - (D)
Video Solution
Create a FREE account and get:
- Download Maths Shortcuts PDF
- Get 300+ previous papers with solutions PDF
- 500+ Online Tests for Free
