20 women complete a work in 16 days, 16 men complete the same work in 15 days, then what will be the ratio of the capacities of men and women?

16 men can complete a piece of work in 7 days. In how many days will 28 men complete the same work?

 A work can be completed by P and Q in 12 and 16 days respectively. With the help of R they can complete the work in 6 days and earned R. 3696. Then find the share of R. 

The ratio of working efficiency at X and Y is 3:7. Working together, they can complete the work in 15 days. They together worked for 7 days. Then, find the time taken by X to complete 60% at the remaining work.

7 men or 10 women can build a 100-meter-long wall in 10 days, then how many days will it take 14 men and 20 women to build a 600-meter-long wall?

Mahadev covered some distance at some speed. If he traveled a distance of 3 km / h more, it took him 40 minutes less time. If he had covered the distance at a speed of 2 km / h less, he would have taken 40 minutes more. The distance (in km) is

A person covered some distance at some speed. If he traveled a distance of 3 km / h more, it took him 40 minutes less time. If he had covered the distance at a speed of 2 km / h less, he would have taken 40 minutes more. The distance (in km) is

A contract is to be completed in 50 days and 105 men were set to work, each working 8 hour a day. After 25 days, 2/5th of the work is finished. How many additional men be employed, so that the work may be completed on time, each man now working 9 hour a day?