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- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
Correct Answer: A
Correct Answer: A
Method / Topic: Pipes and Cisterns
The answer follows from the arithmetic relation between the given values.
Short Explanation
Detailed Explanation
Correct Answer: A
Method / Topic: Pipes and Cisterns
If 2/5 of the tank takes 4 hours, the whole tank takes 4×5/2=10 hours.
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Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Shortcut used, common trap, and the fastest solving route
- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
A pipe fills two-fifths of a tank in 4 hours. At the same rate, how long will it take to fill the whole tank?
Explanation
Correct Answer: A
Method / Topic: Pipes and Cisterns
The answer follows from the arithmetic relation between the given values.
Short Explanation
Detailed Explanation
Correct Answer: A
Method / Topic: Pipes and Cisterns
If 2/5 of the tank takes 4 hours, the whole tank takes 4×5/2=10 hours.
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