A tank can be filled by pipe A in 3 hours and Pipe B in 5 hours. At 7 am, pipe A was opened. At what time will the tank be filled if pipe B was opened at 8 am?

✔ Correct Answer: B. 9 : 15 am

The correct answer to the question “A tank can be filled by pipe A in 3 hours and Pipe B in 5 hours. At 7 am, pipe A was opened. At what time will the tank be filled if pipe B was opened at 8 am?” is 9 : 15 am. This question belongs to Mathematics. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.

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