Question

if 10 people can do a piece of work in 5days working in 2 hours . how long will 2 people take to do the same work, working 5 hours a day

Answer 1

Time taken by 10 people to do a piece of work = 5 days 2 hours

1 day = 24 hrs = 5 days = 24 × 5 hrs = 120 hrs
+ 2 hrs = 122 hrs

Time taken by 1 person to do the same work = 122 × 10 hrs

.
. . Time taken by 2 people to do the same work = 120 × 10 by 2 hrs

= 120 × 5 hrs

= 600 hrs

Ans: 2 people will take 600 hrs to do the same work.