## profit-loss-average-time-and-work

1. Profit earned by selling an book for Rs. 1450 is same as the loss incurred by selling the book for Rs. 1280. What is the cost price of the book?

2. A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 litres a minute. When the tank is full, the inlet is opened and due to the leak the tank is empty in 8 hours. Find the capacity of the tank (in litres) ?

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