Two taps can fill a tank in 4 hours and 5 hours respectively. It both the taps…

2025

Two taps can fill a tank in 4 hours and 5 hours respectively. It both the taps are opened alternatively for 1 hour, starting with the first. How much time will it take to the tank?

Answer: A. 4h 24min — Explanation Assuming Capacity of Tank=4*5=20L Tap 1 = 20/4 =5L/h Tap 2 = 20/5= 4L/h After 4 hours ,total filled=5+4+5+4=18L Time is taken for…

  1. A.

    4h 24min

  2. B.

    5h 24min

  3. C.

    4h 54min

  4. D.

    6h 34min

Attempted by 6 students.

Show answer & explanation

Correct answer: A

Explanation

Assuming Capacity of Tank=4*5=20L

Tap 1 = 20/4 =5L/h

Tap 2 = 20/5= 4L/h

After 4 hours ,total filled=5+4+5+4=18L

Time is taken for Remaining=2/5hours =24min

So. Total time= 4h 24min

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