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    Question

    What should come in place of question mark (?) in the following questions?

    √121 + √961− √289

    =?2
    A 3 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 7 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer
    E 6 Correct Answer Incorrect Answer

    Solution

    √121 + √961− √289 =?2 => ?2 = 11 + 31 – 17 => ?2 = 25 => ? = 5

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