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    Question

    What will be the value of the given expression after

    the following interchanges? Expression: 240 ÷ 15 + 12 x 6 – 25 Interchanges: Sign: + and x Number: 15 and 6
    A 470 Correct Answer Incorrect Answer
    B 355 Correct Answer Incorrect Answer
    C 425 Correct Answer Incorrect Answer
    D 490 Correct Answer Incorrect Answer

    Solution

    240 ÷ 15 + 12 x 6 – 25 After interchanging the signs (+ and x) and the numbers (15 and 6), the expression becomes: 240 ÷ 15 + 12 x 6 – 25 240 ÷ 6 x 12 + 15 – 25 40 x 12 + 15 – 25 480 + 15 – 25 480 – 10 = 470.

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