Two pipes can fill a tank in 18 hours and 24 hours respectively. If both pipes a

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What’s inside this PDF?

Question: Two pipes can fill a tank in 18 hours and 24 hours respectively. If both pipes are opened together, how long will it take to fill the tank?

Options:

10 hours
12 hours
15 hours
20 hours

Correct Answer: 12 hours

Solution:

The combined rate is 1/18 + 1/24 = 4/72 + 3/72 = 7/72. Thus, it will take 72/7 hours or approximately 10.29 hours.

Two pipes can fill a tank in 18 hours and 24 hours respectively. If both pipes a

Practice Questions

Two pipes can fill a tank in 18 hours and 24 hours respectively. If both pipes are opened together, how long will it take to fill the tank?

10 hours
12 hours
15 hours
20 hours

Questions & Step-by-Step Solutions

Two pipes can fill a tank in 18 hours and 24 hours respectively. If both pipes are opened together, how long will it take to fill the tank?

Work Rate – Understanding how to calculate the rate of work done by multiple entities (pipes) working together.
Fraction Addition – Adding fractions with different denominators to find a combined rate.
Time Calculation – Calculating the total time taken based on the combined work rate.

Two pipes can fill a tank in 18 hours and 24 hours respectively. If both pipes a

What’s inside this PDF?

Two pipes can fill a tank in 18 hours and 24 hours respectively. If both pipes a

Practice Questions

Questions & Step-by-Step Solutions

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