Question

    If 'P' means 'division', 'Q' means 'subtraction', 'R' means

    'addition', and 'S' means 'multiplication', then what is the value of the expression: {55 R (42 S 10) P (84 Q 60) }
    A 72 Correct Answer Incorrect Answer
    B 80 Correct Answer Incorrect Answer
    C 85 Correct Answer Incorrect Answer
    D 66 Correct Answer Incorrect Answer

    Solution

    {55 R (42 S 10) P (84 Q 60) }

    {55 + (42 X 10) ÷ (84 - 70) }

    {55 + 420 ÷ 14}

    {55 + 30} = 85.

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