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      Question

      Few people dive in a swimming pool of dimensions 25 ร— 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 ร—b ร—h = 25 ร— 15 ร— 4 = 1500mยณ Now according to the question,ย  1500 = 2 ร— number of people Number of People = 750

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