The correct answer is D
P can do a piece of work in 30 days. Q do the same work in 40 days. R can do it in 35 days. P and R worked for 4 days and handed it to Q. Q worked for s...
X, Y and Z can do a piece of work in 90 days, 40 days and 120 days respectively. If they all work together alternatively starting with X, Y than Z respe...
A and B together can complete a work in 12 days, and B alone can complete it in 20 days. How many days will A take to complete the work alone?
A contractor hired 80 workers to complete a work in 60 days. After 40 days, it was found that only half of the work was completed. Find the number of ex...
A contractor undertook to make 20 km of roadway in 48 weeks. In 28 weeks, 8 km was completed by 120 men working 12 hours a day. The men then agreed to w...
A contractor was tasked with constructing a bridge within 45 days. To complete the project, he initially hired 75 workers. However, after 40 days, he di...
40 men can complete a piece of work in 40 days. ‘x’ men started the work and after 30 days 64 more men joined them so that whole work was finished i...
A can complete a work in 20 days. B takes 10 days less than A to complete the same work. In how many days can both of them together complete 90% of the ...
P alone can finish a piece of work ‘M’ in 6 days while Q takes 3 days to finish it alone. P, Q and R working together can finish the work &l...
Lucas, Maya, and Riley can build a wall in 5, 10, and 15 days respectively. If they start the job together and Lucas leaves 3 days before the job is don...
