Start learning 50% faster. Sign in now
Let tap ‘A’ fill the tank and tap ‘B’ empty the tank. Taking LCM of 16 and 20 = 80 Efficiency of A = 5 Efficiency of (A – B) = 4 Efficiency of B = 5 – 4 = 1 Tap B will empty the tank = 80/1 = 80 So, tap B will empty the tank in 80 hours.
Ram, Ankit and Shivam together can do a piece of work in 10/3 days. Ram could do it alone in 6 days and Ankit could do it alone in 12days. In how many d...
Three men A, B, and C working together dig 648 m deep in six days. C digs as many meters more than B. B digs as many meters more than A. Then how much d...
30 men can complete a task in 160 days. 12 men start the work and manage to do half of it. Then, 18 more men are added to the team to help finish the wo...
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 ...
‘n’ men working 16 hours a day can complete a work in 10 days while (2n – 4) men working 10 hours a day can complete the same work in ...
A, B and C together can do a work in p/13 days, A and B together can do the work in p/10 days and B alone can do the work in p/4 days. If C takes 20 day...
P and Q individually can complete the work in 36 days and 54 days respectively. If the time taken by R alone to complete the work is 1.25 times the time...
9 children can complete a piece of work in 360 days. 18 men can complete the same piece of work in 72 days and 12 women can complete the piece of work i...
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 ‘N’ wh...
'Ankit' can complete some work alone in 35 days. 'Amit' is twice as efficient as 'Sumit' and four times as efficient as 'Ankit'. If 'Ankit' and 'Sumit' ...