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    Question

    What will be the value of expression if the

    numbers/digits тАШ(42)тАЩ and тАШ(18)тАЩ are interchanged? 54 ├╖ 42 ├Ч 10 + 18 тАУ 12 + 20
    A 80 Correct Answer Incorrect Answer
    B 77 Correct Answer Incorrect Answer
    C 87 Correct Answer Incorrect Answer
    D 75 Correct Answer Incorrect Answer

    Solution

    54 ├╖ 42 ├Ч 10 + 18 тАУ 12 + 20 54 ├╖ 18 ├Ч 10 + 42 - 12 + 20 3 ├Ч 10 + 42 - 12 + 20 30 + 42 - 12 + 20 = 80

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