which will be filled first.crocodile and bath tub water tank puzzles

Which bath tub will be filled first? This crocodile is asking you! – water tank puzzle

This crocodile wants to take a bath.
But he does not know which bathtub will be filled.
Would you like to help him know which bathtub he should use to take bath?
So, solve this water tank puzzle and let him know, which bathtub will be filled first? This crocodile is asking you!

Write your answer..