Question

    Which of the following pipe will empty the tank faster?

    A One pipe of diameter 60 cm Correct Answer Incorrect Answer
    B Two pipes of diameter 30 cm. Correct Answer Incorrect Answer
    C Three pipes of diameter 20 cm. Correct Answer Incorrect Answer
    D Four pipes of diameter 10 cm. Correct Answer Incorrect Answer

    Solution

    So pipe 1 with diameter 60 cm is faster. 

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