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    Question

    If 76 + 65 = 2, 72 + 73 = 9, then 84 + 82 =

    ?
    A 13 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 16 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer

    Solution

    7 – 6 = 1, 6 – 5 = 1 ⇒ 1 + 1 = 2 7 – 2 = 5, 7 – 3 = 4, ⇒ 5 + 4 = 9 8 – 4 = 4, 8 – 2 = 6 ⇒ 4 + 6 =  10

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