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    Question

    The average number of taxis of three colours (black,

    white and yellow) in a taxi stand is 160. The number of black taxis is 65 more than that of yellow taxis. The total number of black and white taxis is 300. Find the number of white taxis in a taxi stand.
    A 52 Correct Answer Incorrect Answer
    B 53 Correct Answer Incorrect Answer
    C 55 Correct Answer Incorrect Answer
    D 57 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the number of white taxis be тАШxтАЩ Therefore, number of black taxis = (300 тАУ x) Number of yellow taxis = (300 тАУ x тАУ 65) = (235 тАУ x) According to the question, 235 тАУ x + 300 тАУ x + x = 160 ├Ч 3 Or, x = 55

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