Question
Two pipes can alone independently fill a bucket in 10
and 12 minutes. Both are opened together for 3 minutes after which the second pipe is turned off. What is the time taken by the first pipe alone to fill the remaining portion of the bucket?Solution
After 3 minutes, the water fill by (A+B) = 3 × 11 = 33units Remaining water unit = 60 – 33 = 27 units This remaining unit water is filled by A in = 27/6 = 4.5 minutes
15 boys can finish a task in 8 days while 3 men can finish the same task in 4 days. In how many days can 2 boys and 3 men together finish the task?
An inlet pipe can fill a tank in 15 minutes when there’s no leakage. However, due to a leak in the tank, it takes 21 minutes to fill it completely. Ho...
‘A’ and ‘B’ can complete a certain work in 20 days and 10 days, respectively. They started working together and worked till completion of the wo...
A can fabricate a divider in 23 days , while B alone can assemble it in 26 days, If they construct it together and get an installment of Rs 9800, then f...
A alone can assemble 40 mobile phones in 10 hours, while B alone can assemble the same number in 15 hours. Working together, in how many hours can A and...
5 men and 6 women can do some work in 3 days. If each man is 100% more efficient than a woman, then find the time taken by 12 men to finish the same wo...
A alone can complete 60% of a work in 36 days while B takes 30 days more than A to complete it. If B and C together can complete the work in 40 days, th...
A does 1/2 work and B does 3/4 work in the same time. Difference between number of days taken by A and B to work alone to complete the work individually...
- ‘A’ can complete a job in 36 days. ‘B’ takes 3 times as long as ‘A’ to finish the same job. If both work together, how much of the work will th...
(y+15) men can do a piece of work in (z-30) days. (y-15) men can do the same piece of work in (z+45) days. If (y+25) men can do the same work in (z-45) ...
Relevant for Exams:
