Question

TIME AND WORK
4. "There are two pipes for taking water from the municipality water tank. The tank can be
made empty in 4 hours by the two pipes separately. If both the pipes remain opened, Let's
calculate when the full tank will be empty.

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Answer 1

Answer:

2 hours

Step-by-step explanation:

Time taken for each pipe - 1/4

so, 1/4 + 1/4 = 2/4

4/2 = 2 hours