šŸ“¢ Too many exams? Don’t know which one suits you best? Book Your Free Expert šŸ‘‰ call Now!


    Question

    Some equations have been solved on the basis of certain

    system. Find the correct answer for the unsolved equations on that basis: If 82 × 24 = 24, 12 × 31 = 5 and 15 × 36 = 23 then 42 × 18 =?
    A 12 Correct Answer Incorrect Answer
    B 16 Correct Answer Incorrect Answer
    C 20 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer

    Solution

    82 × 24 = (8 × 2) + (2 ×4) = 16 + 8 = 24 12 × 31 = (1 × 2) + (3 × 1) = 2 + 3 = 5 15 × 36 = (1 × 5) + (3 × 6) = 5 + 18 = 23 42 × 18 = (4 × 2) + (1 × 8) = 8 + 8 = 16

    Practice Next

    Relevant for Exams:

    ask-question

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

    Get My Free Call