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    Question

    Few people dive in a swimming pool of dimensions 25 ×

    15m. Due to this the water level rises by 4m. If one person displace 2 cubic metre of water. Find the number of people who were diving?
    A 550 Correct Answer Incorrect Answer
    B 650 Correct Answer Incorrect Answer
    C 450 Correct Answer Incorrect Answer
    D 750 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Changes in Volume of Swimming Pool due to dive = l ×b ×h = 25 × 15 × 4 = 1500m³ Now according to the question,  1500 = 2 × number of people Number of People = 750

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