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    Question

    A = (4/3) ├Ч B and C = (1/8) ├Ч A. If (A + B + C) = 210,

    then determine the value of (9C тАУ B).
    A 42 Correct Answer Incorrect Answer
    B 18 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 25 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ; A = 8C And, A = (4/3) ├Ч B So, 8C = (4/3) ├Ч B Or, 6C = B Since, A + B + C = 210 So, 8C + 6C + C = 210 Or, 15C = 210 Or, C = 14 A = 14 ├Ч 8 = 112 And, B = 6 ├Ч 14 = 84 Required value = 9 ├Ч 14 тАУ 84 = 42

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