Question

30 men working 5 hours a day can do a task in 16 days. In how many days will 40 men working 6 hours a day do the same task?

• A. 12 days
• B. 10 days
• C. 15 days
• D. 18 days

Answer 1

Answer:

B. 10 days

$$work done by them is equal,

${30men}\times{5hours}\times{16Days}={40Men}\times{6hours}\times{N Days}$

$N=\frac{{30}\times{5}\times{16}}{{40}\times{6}}$

$N =10 days$