A tap can empty a tank in one hour. A second tap can empty it in 30 min. If both the taps operate simultaneously, how much time is needed to empty the tank?
Download the PrepSutra app
Download the app for Android devices and prepare on the go - anytime, anywhere!
Follow us on social media
©2021 PrepSutra. All Rights Reserved.
Get Notified for all exam events, like exam dates, admit cards, expert reviews, and the latest study materials.
Select atleast one option.