Question

22. Pipe A can fill a tank in 20 minutes. Pipe B.
whose diameter is half as that of Pipe A starts
filling the tank when it is half full. How long will
it take for the tank to overflow, if Pipe A started
filling an empty tank?
1. 12 minutes
2. 14 minutes
3. 15 minutes
4. 18 minutes​

Answer 1

Answer:

15 minutes

Step-by-step explanation:

this is the correct answer please mark me brainliest

Answer 2

Answer:

4)18 minutes

the correct answer for this is 4th option i.e. 18 minutes