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


    тЪб Month End Offer - Flat 52% Off On All Courses! Enroll Now тЪб
    00:00:00 AM Left

    Question

    There are three taps of diameter 2 cm, 3 cm, and 4 cm,

    respectively. The ratio of the water flowing through them is equal to the ratio of the square of their diameters. The biggest tap can fill an empty tank alone in 81 min. If all the taps are opened simultaneously, then how long will the tank take (in min) to be filled?
    A 4 Correct Answer Incorrect Answer
    B 3 Correct Answer Incorrect Answer
    C 1 Correct Answer Incorrect Answer
    D 2 Correct Answer Incorrect Answer

    Solution

    Ratio of efficiency of 3 taps: - (2) ┬▓: (3) ┬▓: (4) ┬▓ ┬а├Ю 4: 9: 16 Total efficiency = 4 + 9 + 16 = 29 Given, tap with eff. 16 takes 81 min. Let, total work = 16 ├Ч 81 Total time (16├Ч 81) /29= 1296/29 =44(20/29) minute.

    Practice Next
    More Time and work Questions

    Relevant for Exams:

    ask-question