6 Tanks – which tank will be full first?

Question – 2 questions here,

1. Which Tank will fill first when all tanks are open.

2. In which order Tanks will fill when all tanks are closed.


Conditions –

  • Air pressure is same on Liquid.
  • flow rate of water pouring in tank 1 through tap is equal to the water going out through the opening.

Hint –

Trick –  To Solve this problem simply remember that Liquid ( Water ) will be at same level irrespective of size and shape of container. Something like below.

For Answer


Answer –

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