Question
A book was sold for Rs 27.50 with a profit of
10%. If it were sold for Rs. 25.75, then would have been percentage of profit and loss ?Solution
The correct answer is B
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...
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Pipe βAβ can fill a tank in 25 hours while pipe βBβ can empty it in 30 hours. They were operated on alternate hours starting with pipe βAβ. ...
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Pipe βAβ can fill a 120-litre tank in 15 hours. If pipe βAβ is 25% more efficient than pipe βCβ whereas pipe βBβ is 50% more efficient t...
Pipe A can fill the empty tank in 25 minutes while pipe B can empty the half-filled same tank in 15 minutes. What is the time require to fill (80/3) % o...
Pipe X can fill a tank in 15 hours and pipe Y in 30 hours. If both the pipes are opened in an empty tank, how much time will they take to fill it?
Pipe A and B can fill the pool in 38 minutes and 19 minutes, respectively. Pipe C can empty half filled pool in 38 minutes. If all the pipes are opened ...
Pipe 'X' takes 50 minutes to fill the tank by itself, while Pipe 'Y' can fill it in 30 minutes on its own. What is the time required for both pipes to f...
Two pipes M and N can fill a tank in 10 hours and 15 hours respectively. The pipes were opened together, but pipe N stopped working after sometime and ...
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