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
    More Ratio and proportion Questions

    Relevant for Exams:

    ask-question