Work rate problems involving pipes, workers, and efficiency
A can complete a work in 12 days and B can complete the same work in 18 days. In how many days will they complete the work together?
If 8 workers can build a wall in 10 days, how many...
A can do a piece of work in 20 days. He works for ...
A pipe can fill a tank in 6 hours. Another pipe ca...
A and B together can complete a work in 8 days. B ...
