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    Question

    What will come in the

    place of question mark (?) in the given expression? 5 × √256 + √? × 6 = 170
    A 100 Correct Answer Incorrect Answer
    B 81 Correct Answer Incorrect Answer
    C 144 Correct Answer Incorrect Answer
    D 225 Correct Answer Incorrect Answer

    Solution

    5 × √256 + √? × 6 = 170

    5 × 16 + √? × 6 = 170

    80 + √? × 6 = 170

    √? × 6 = 90

    √? = 15

    ? = 225

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