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    Question

    A is 75% more than B. C is 60 less than A. Average of

    A, B and C is 340. The ratio of B and C is 2:x. Find the value of x.
    A 3 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    C 5 Correct Answer Incorrect Answer
    D 6 Correct Answer Incorrect Answer
    E 7 Correct Answer Incorrect Answer

    Solution

    Let A be 7a and B be 4a. And C = 7a тАУ 60 According to question, => 7a + 4a + 7a тАУ 60 = 340 x 3 => 18a = 1080 => a = 60 So, B = 4a = 240 And C = 7a тАУ 60 = 360 Now, B /C = 2/x => 240/360 = 2/x => x = 3

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