ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!

    Question

    A basket contains (x + 4) red apples, (x + 6) green

    apples, and (x + 8) yellow apples. The probability of drawing a yellow apple from the basket is (7/20). Find the number of green apples in the basket.
    A 45 Correct Answer Incorrect Answer
    B 40 Correct Answer Incorrect Answer
    C 34 Correct Answer Incorrect Answer
    D 56 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, (x + 8)/[(x + 4) + (x + 6) + (x + 8)] = 7/20 Simplify and solve for x: 20(x+8) = 7(3x + 18) 20x +160 = 21x+ 126 21x -20x = 160-126 x = 34 Therefore, number of orange balls in the bag = 34 + 6 = 40

    Practice Next
    More Probability Questions

    Relevant for Exams:

    ask-question