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


    Question

    If A : B = 8:5 and A is 21 more than B then find the sum

    of A and B.
    A 84 Correct Answer Incorrect Answer
    B 55 Correct Answer Incorrect Answer
    C 91 Correct Answer Incorrect Answer
    D 78 Correct Answer Incorrect Answer

    Solution

    Let x be the common multiplier. Then, => A : B = 8x : 5x => A = B + 21 => 8x = 5x + 21 => x = 7 A + B = 8x + 5x = 13x = 13 × 7 = 91

    Practice Next
    ask-question

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

    Get My Free Call