This topic contains 0 replies, has 0 voices, and was last updated by  EduGorilla 2 years ago.

  • Author
    Posts
  • #1526295 Reply
     EduGorilla 
    Keymaster
    Select Question Language :


    A boat can cover a distance of 75 Km downstream and 99 Km upstream in ‘r’ hours. Due to rain the speed of stream is increased by 50% and due to low visibility the speed of boat is decreased by 25%. Now, it takes 6 hours to cover 54 Km downstream and 36 Km upstream. If the time taken by boat to cover 81 Km in still water after rain is 4 hours 30 minutes, then find the value of ‘r’.

    Options :-

    1. 6 hours
    2. 7 hours
    3. 9 hours
    4. 8 hours
    5. None of these
    Post your Training /Course Enquiry
    Are You looking institutes / coaching center for
    • IIT-JEE, NEET, CAT
    • Bank PO, SSC, Railways
    • Study Abroad
    Select your Training / Study category
Reply To: A boat can cover a distance of 75 Km downstream and 99 Km upstream in ‘r’ hours. Due to rain the….
Your information:




Verify Yourself




Log in with your credentials

or    

Forgot your details?

Create Account