Multiple Choice Questions on A boatman goes 2 km against the current of the stream in 1 hr and goes 1 km along the current in 10 ........... for Mathematics - All Exams Preparation

Back to Main Page

Multiple Choice Questions

A boatman goes 2 km against the current of the stream in 1 hr and goes 1 km along the current in 10 ...........

Quantitative Aptitude ( CCS) Boats and Streams
    Download Solution PDF

    A boatman goes 2 km against the current of the stream in 1 hr and goes 1 km along the current in 10 min. How long will he take to go 5 km in stationary water?

    1 hr

    Incorrect Answer

    1 hr 15 min.

    Correct Answer

    1 ½ hr

    Incorrect Answer

    40 min

    Incorrect Answer
    छोटे Courses बड़े Results
    Master Boats and Streams
    Prepare through Micro-courses
    Try Now
    Explanation:
    Rate downstream = 1/ x 60 km/hr = 6 km/hr.
    10

    Rate upstream = 2 km/hr.

    Speed in still water = 1/ (6 + 2) km/hr = 4 km/hr.
    2
     Required time = 5/ hrs = 1 1/ hrs = 1 hr 15 min.
    4 4

    Hence, option 2 is the correct answer.

    By: Amit Kumar
    ProfileResources

    Let's Discuss

    Master
    Boats and Streams
    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