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Two pipes can fill a tank in 10 hours and 15 hours respectively. How long will i

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Question: Two pipes can fill a tank in 10 hours and 15 hours respectively. How long will it take to fill the tank if both pipes are opened together?

Options:

  1. 4 hours
  2. 5 hours
  3. 6 hours
  4. 7 hours

Correct Answer: 5 hours

Solution: 

The combined rate is 1/10 + 1/15 = 3/30 + 2/30 = 5/30. Therefore, it will take 30/5 hours or 6 hours.

Two pipes can fill a tank in 10 hours and 15 hours respectively. How long will i

Practice Questions

Q1
Two pipes can fill a tank in 10 hours and 15 hours respectively. How long will it take to fill the tank if both pipes are opened together?
  1. 4 hours
  2. 5 hours
  3. 6 hours
  4. 7 hours

Questions & Step-by-Step Solutions

Two pipes can fill a tank in 10 hours and 15 hours respectively. How long will it take to fill the tank if both pipes are opened together?
  • Rate of Work – Understanding how to calculate the rate at which each pipe fills the tank and how to combine these rates.
  • Combined Work Rate – Applying the formula for combined work rates to find the total time taken when multiple sources are working together.
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