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    Question

    What will come in the

    place of question mark (?) in the given expression? 7 Γ— √225 + √? Γ— 3 = 156
    A 64 Correct Answer Incorrect Answer
    B 81 Correct Answer Incorrect Answer
    C 144 Correct Answer Incorrect Answer
    D 121 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    7 Γ— √225 + √? Γ— 3 = 156

    7 Γ— 15 + √? Γ— 3 = 156

    105 + √? Γ— 3 = 156

    √? Γ— 3 = 51

    √? = 17

    ? = 289

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