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Let the cost price = 100x Marked price = 810 135x = 810 x = 6 cost price = 100x = 600 selling price after giving discount of 20% = 80% of 810 = 648 Profit = 648 – 600 = 48
Pipes 'G' and 'H' can fill a tank in 24 hours and 8 hours respectively, while pipe 'I' can empty it in 48 hours. All pipes are opened together when the ...
Pipe ‘A’ can fill a tank in 22 hours while pipe ‘B’ takes 25 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
Pipe A and B can fill the pool in 15 minutes and 20 minutes, respectively. Pipe C can empty half filled pool in 6 minutes. If all the pipes are opened t...
Two taps would fill a cistern in 18 and 24 minutes respectively. Both tapsbeing opened find when the Ist tap must be turned off so that the cistern may ...
Two pipes P and Q can fill tank A in 36 minutes and 72 minutes respectively and empty pipe M can empty the tank in 54 minutes. Tank A has the capacity o...
Three pipes A, B, and C can fill a tank in 15 hours, 20 hours, and 25 hours respectively. All three pipes are opened together, but after 4 hours, pipe C...
Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be clo...
Pipe ‘A’ can fill a 210-litre tank in 21 hours. If pipe ‘A’ is 25% more efficient than pipe ‘C’ whereas pipe ‘B’ is 50% more efficient t...
Taps Q and R can fill a tank in 24 minutes and 32 minutes, respectively. The efficiency of tap S is 75% greater than that of tap Q. If tap R's efficienc...
Two pipes, A and B, can independently fill the tank in 16 minutes and 20 minutes respectively, while pipe C can empty 5 gallons from the tank in 2 minut...
