Two pipes A and B respectively fill a tank in 20 minutes and 30 minutes. If both the pipes are opened simultaneously, then how much time is required to fill the tank ?

1
50 min
2
10 min
3
12 min
4
25 min

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

ЁЯМР Web App Development

Quick Navigation