Question

Pipe A fills a tank in 20 minutes, and pipe B fills it in 16 minutes. If both pipes are opened simultaneously the approximate time taken to fill the tank is-

• A. 4 minutes/4 मिनट
• B. 9 minutes/9 मिनट
• C. 12 minutes/12 मिनट
• D. 13 minutes/13 मिनट

Answer 1

Answer: (B)