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    Question

    By interchanging the given two signs which of the

    following equation(s) will be correct? + and x; I. 16 x 9 + 2 ÷ 3 – 5 = 17 II. 43 x 11 – 44 ÷ 11 + 11= 10
    A Both I and II Correct Answer Incorrect Answer
    B Neither I nor II Correct Answer Incorrect Answer
    C Only II Correct Answer Incorrect Answer
    D Only I Correct Answer Incorrect Answer

    Solution

    After interchanging + and x: I.  16 x 9 + 2 ÷ 3 – 5 = 17 L.H.S. 16 + 9 x 2 ÷ 3 – 5 = 16 + 18 ÷ 3 – 5 = 16 + 6 – 5 = 16 + 1 = 17 = R.H.S. Now for Eq. II II.  43 x 11 – 44 ÷ 11 + 11= 10 = 43 + 11 – 44 ÷ 11 x 11 = 43 + 11 - 4 x 11 = 54 - 44 = 10 =  R.H.S.

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