Question no. 8 correct solution..

by Deepak
(Agra, Uttar pradesh, India)

I think the question is solved wrong...


the correct solution is like this...


the emptying pipe empty the tank in 8 min it means, it empty 1/8 per min and the filling pipe fill at the rate of 1/15 , so the actual rate of emptying the tank is .. (1/8)-(1/15) =7/90 = 1/12.9 , it means it 12.9 min to empty the full tank , so it would take 12.9/2 = 6.45 min to empty the half tank .. duh..

Click here to post comments

Join in and write your own page! It's easy to do. How? Simply click here to return to views.

Recent Articles

  1. How to Take a Career Aptitude Test?

    Jun 12, 18 02:53 PM

    When you take a career aptitude test, you aim to determine the right career path and how your personality traits, knowledge and skills will help you succeed in your career.

    Read More

  2. What may you expect from a verbal intelligence test?

    Jun 04, 18 03:07 PM

    A true verbal intelligence test should have various characteristics including reality, validity, objectivity, practicability, and norms.

    Read More

  3. Love the COLOR test

    Jun 02, 18 03:11 PM

    I love your description of the COLOR personalities!!!

    Read More