📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    If 21 @ 7 = 18 and 43 @ 22 = 68, then 48 @ 49 =

    '?'.
    A 160 Correct Answer Incorrect Answer
    B 162 Correct Answer Incorrect Answer
    C 164 Correct Answer Incorrect Answer
    D 158 Correct Answer Incorrect Answer

    Solution

    {(2 x 1) + 7} x 2 = {2 + 7} x 2 = 9 x 2 = 18 {(4 x 3) + 22} x 2 = {12 + 22} x 2 = 34 x 2 = 68 {(4 x 8) + 49} x 2 = {32 + 49} x 2 = 81 x 2 = 162

    Practice Next
    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call