A constructor estimates that 3 people can paint Mr khans house in 4 days. If he uses 4 people instead of 3,how long will they take to complete the job?
a.4
b.2
c.3
d.5
Answers
Answered by
7
C-3
People is increased so days taken will be decreased
Answered by
2
Given, 3 people requires 4 days.
As the people are increased to 4, i.e. 3 × (4/3) =4, so work will be reduced to (3/4) ×4=3 days.
Similar questions