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

    Question

    A man, a woman and a boy can do a work in 3, 2, 6 days

    respectively. How many children were required with 1 man and 1 woman to complete the same work in 1/2 day?
    A 6 Correct Answer Incorrect Answer
    B 3 Correct Answer Incorrect Answer
    C 8 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer
    E 7 Correct Answer Incorrect Answer

    Solution

    Work done by a man in 1/2 days = 1/6 part Work done by a woman in 1/2 days = 1/4 part Work done by a boy in 1/2 days = 1/12 part Let one man and one woman together can do a piece of work in 1/2 days = No. of x children required According to the question, 1/6 + 1/4 + 1/12 = 1 (2 + 3 + x )/12 = 1 5 + x = 12 x = 12 – 5 = 7 Hence, 7 boys will be required.

    Practice Next
    More Time and work Questions

    Relevant for Exams:

    ask-question