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Question
A tank contains 500 litres of water. Due to a small hole in the tank, the quantity of water is decreasing at the rate of 9 litres every hour. What will be the quantity of water in the tank after 10 hours?
A tank contains 500 litres of water. Due to a small hole in the tank, the quantity of water is decreasing at the rate of 9 litres every hour. What will be the quantity of water in the tank after 10 hours?
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Solution
The correct option is A 410 litres
Capacity of tank = 500 litresWater is decreasing at the rate of 9 litres per hour
Total capacity of tank after 10 hours = 500−10×9=410 litres
Hence option A is the correct answer.
Capacity of tank = 500 litres
Water is decreasing at the rate of 9 litres per hour
Total capacity of tank after 10 hours = 500−10×9=410 litres
Hence option A is the correct answer.
Total capacity of tank after 10 hours = 500−10×9=410 litres
Hence option A is the correct answer.
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