PrepSutra logo
PrepSutra





English

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?

1:
20 min
2:
30 min
3:
40 min
4:
45 min
5:
None of these
Solution:
Chapter Name: Pipes and cisterns


Write your comments here...

prepsutra-app-download android ios

Download the PrepSutra app

Download the app for Android devices and prepare on the go - anytime, anywhere!

Follow us on social media

Exams

Banking

Banking

SSC

Railway

Insurance

IIT JEE

Navigation

Support

©2021 PrepSutra. All Rights Reserved.