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    Question

    A single reservoir supplies petrol to the whole city,

    and the reservoir is fed by a single pipeline filling the reservoir with a stream of uniform volume. When the reservoir is full and if 40,000 litres of petrol is used daily, the supply fails in 65 days. If 45,000 litres of petrol is used daily, it fails in 55 days. How much petrol can be used daily without the supply ever failing?
    A 13,000 litres Correct Answer Incorrect Answer
    B 12,500 litres Correct Answer Incorrect Answer
    C 15,780 litres Correct Answer Incorrect Answer
    D 12,870 litres Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

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