If 9 boy working 15/2 hours a day can finish a work in 20 days, then how many days will be taken by 12 boy working 6 hours a day to finish the work, it being given than 3 boy of latter type work as much as 2 boy of he former type in the same.
28.125 days. Total Boy hours required= 9*15/2*20 = 1350 Later type boys available of former type = (12/3)*2 = 8 Days required= 1350/(8*6) = 28.125 days
If A men working A hours a day can do A units of a work in A days, then how many units of work can be completed by B men working B hours per day.
Nine men can finish a work in 20 days whereas 12 women can finish the same work in 18 days. If 6 men and 9 women started working together. After 8 days 3 women left and 2 new men joined the work, the group continued working together till the end of the work. In how many days they would be able to do the remaining work?
Six men do a piece of work in 10 days with an effort of 6 hours per day. How many extra men are required for doing the work of double strength in 4 days with an effort of 5 hours per day
A construction company employs 60 men to build a bridge of 500 m in 30 days working 8 hours a day. If in 24 days they completed 3/5 part of work, then how many more employees should be hired to finish the work in time, working 10 hours a day?
