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    Question

    If 'A' = (62 - 5)2 - 40 × 24 +

    19, then find the value of (0.15A) 4.
    A 51 Correct Answer Incorrect Answer
    B 81 Correct Answer Incorrect Answer
    C 71 Correct Answer Incorrect Answer
    D 61 Correct Answer Incorrect Answer

    Solution

    ATQ, 'A' = (62 - 5)2 - 40 × 24 + 19 Or, 'A' = (36 - 5)2 - 960 + 19 Or, 'A' = 312 - 960 + 19 Or, 'A' = 961 - 960 + 19 So, 'A' = 20 Therefore, required value = (0.15A)4 = (0.15 × 20)4 = 34 = 81

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