SOF IMO · Word Problems Application · Quiz

Word Problems Application — quick quiz

3 SOF IMO-pattern questions on Word Problems Application. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 3

Hard

A tank has two pipes A and B. Pipe A alone can fill the tank in 12 hours and pipe B alone can fill it in 18 hours. Both pipes are opened together for 3 hours, after which pipe A is closed. How much more time will pipe B take to fill the remaining tank?