Question
Even after allowing a discount of 40% on the marked
price, a shopkeeper earns 50 % profit. By what percentage has the marked price been marked up above the cost price?Solution
Let Marked Price = Rs. 100 ∴ S.P. = Rs. 60 Profit % = 50 % ∴ C.P = 60`xx100/150` = Rs.40 ∴ Required % = `(100-40)/40xx` 100 = 150%
Inlet pipes 'A', 'B' fill a tank in 30 and 15 minutes respectively. Outlet pipe 'C' is 50% less efficient than A. ‘A’ and ‘C’ work for 15 minute...
An inlet pipe can fill an empty tank in 30 minutes whereas an outlet pipe can empty the fully filled tank in 45 minutes. Find the time taken by both the...
Two inlet pipes 'A' and 'B' can fill an empty tank in 60 minutes and 120 minutes, respectively. Another outlet pipe 'C' can empty the tank in 240 minute...
Tap A and Tap B fill a drum of volume 408 liters in 12 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ci...
Tap A and Tap B fill a drum of volume 475 liters in 19 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ci...
There are four pipes A, B, C and D where A and B are used to fill the tank and C and D are used to empty the tank. Pipe A and C together can fill the ta...
Pipe ‘A’ can fill a 210-litre tank in 10.5 hours. If pipe ‘A’ is 25% more efficient than pipe ‘C’ whereas pipe ‘B’ is 50% more efficient...
Pipes P and Q can fill a tank in 12 hours and 15 hours respectively, while a third pipe C can empty the tank in 24 hours. If all three pipes are opened ...
Two vessels 'A' and 'B' contains 480 litres, each of pure milk and pure water, respectively. 120 litres of milk is withdrawn from vessel 'A' and poured ...
Pipe ‘M’ and pipe ‘N’ can fill a tank alone in 20 hours and 40 hours, respectively. If both pipes are opened together and pipe ‘M’ is close...
Relevant for Exams:
