The correct answer is D
P alone can finish a piece of work ‘M’ in 8 days while Q takes 4 days to finish it alone. P, Q and R working together can finish the work ‘N’ wh...
P can do a piece of work in 10 days, Q can complete double the work in 20 days and R can do the work in 15 days. If all of them together earn Rs. 3200, ...
A and B together can complete a piece of work in 32 days while A alone can complete 40% of the work in 32 days. Find the time taken by B to compl...
x men can finish a work in y days. 0.9x women can finish 1/3rd of the same work in (y - 8) days. If 0.8x women can complete 1/3rd work in 36 days. Find ...
A work is done by A, B, C and D together. The percentage of work done by A, B C and D are in arithmetic progression (AP). The first, second, third and f...
P can do a piece of work in 20 days, Q can do the same piece of work in 24 days while R can do it in 30 days. They started working together but after 4 ...
Pipe 'A' alone can fill a cistern in 20 minutes. If pipes 'A' and 'B' are opened together, it takes 25 minutes to fill the cister...
'Ajeet' has an efficiency that is 40% lower than 'Chirag's, where as 'Bittu' is 20% more efficient than 'Chirag'. The time difference between 'Bittu' an...
A can do a job in 24 days, while B can do the same job in 30 days. They started the work together, but A left after 6 days. In how many more days will B...
A alone can complete 50% of a work in 20 days while B takes 16 days more than A to complete it. If B and C together can complete the work in 24 days, th...