Question

    What will come in place of question mark?

    √(24²+285-8²-172) = ?²

    A 64 Correct Answer Incorrect Answer
    B 25 Correct Answer Incorrect Answer
    C 8 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    √(24²+285-8²-172) = ?² ⇒√(576+285-64-172) = ?² ⇒√625 = ?² ⇒25 = ?² ? = 5

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