Question

    ? + (55)2 = (140)2 –

    (80)2 – 6278 What will come in the place of question mark (?) in the following given question :
    A 3897 Correct Answer Incorrect Answer
    B 3187 Correct Answer Incorrect Answer
    C 2897 Correct Answer Incorrect Answer
    D 2987 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ? + 3025 = 19600 – 6400 – 6278 ? = 19600 – 6400 – 6278 – 3025 ? = 3897

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