Question

    If '+' means '-', '-' means '+', '×' means

    '÷', and '÷' means '×', then the value of 42 – 12 × 3 + 8 ÷ 2 + 15 / 8 × 2 – 4 + 9 ÷ 3 is :
    A 15/-19 Correct Answer Incorrect Answer
    B 5/3 Correct Answer Incorrect Answer
    C 5/-3 Correct Answer Incorrect Answer
    D 15/19 Correct Answer Incorrect Answer

    Solution

    42−12×3+8÷2+15/8×2−4+9÷3 On changing the sign, 42+12÷3−8×2−15/8÷2+4−9×3 = 42+4−8×2−15/ 4+4−9×3 = 42+4−16−15/ 4+4−27 = 15/19

    Practice Next

    Relevant for Exams: