Multiple Choice Questions on x can do a piece of work in 15 days and y in 20 days If they together work on it for 4 days the........... for CDS Exam Preparation

Back to Main Page

Multiple Choice Questions

x can do a piece of work in 15 days and y in 20 days If they together work on it for 4 days the...........

Quantitative Aptitude (CDS) Time and work
    Download Solution PDF

    x  can do a piece of work in 15 days and y in 20 days. If they together work on it for 4 days, then the fraction of the work that is left is:

     

    4/15
     

    Incorrect Answer

    3/15
     

    Incorrect Answer

    8/15
     

    Correct Answer

    7/15

    Incorrect Answer
    छोटे Courses बड़े Results
    Master Time and work
    Prepare through Micro-courses
    Try Now
    Explanation:

    4 days work of x and y is 7×4= 28units
    Work left 60-28= 32units
    Rest work/total work= 32/60
    Fraction= 8/15.

    By: bhavesh kumar singh
    ProfileResources

    Let's Discuss

    Master
    Time and work
    With abhipedia
    Micro Courses
    Try Now
    What our students have to say
    Review on us
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free