Two taps X and Y can fill a tank in 10 hrs. and 15 hrs.respectively.  If the both taps are opened together, the tank will be full in_________??

If 3 men or 4 women can construct a wall in 43 days, then the number of days that 7 men and 5 women take to construct it is :?12 days

P and Q can complete a work in 15 days and 10 days respectively. They started the work together and then Q left after 2 days. P alone completed the remaining work. The work was finished in__________days.?

A, B and C together earn Rs.150 per day while A and C together earn Rs.94 and B and C together earn Rs.76. The daily earning of C is:__________??

 Today is khadija’s birthday. After one year, she will become two times as she was ten years ago. current age of Khadija??

A is thrice as good as B in work. A is able to finish a job in 60 days less than B. They can finish the work in___________days if they work together.?

A and B can finish a work 30 days if they work together. They worked together for 20 days and then B left. A finished the remaining work in another 20 days. In how many days A alone can finish the work??

If 6 men take 9 days to complete a work, how many men can complete the work in 3 days??

If 6 men can make 10 sofas in 2 days, then 8 men can make 8 sofas in__________??

If 10 workers can make 10 tables in 10 days, then how many days would it take for 5 workers to make 5 tables??