ah! I am going to sink !
Level
pending
A ship is in the middle of the sea. That ship has a 20m long ladder. Every day the tide raise 3m and decrease 2m by night . In how many days will the whole ladder be under water.
17 days
none of these
10 days
16 days
6.666 days
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1 solution
It is impossible because the ladder goes up with the ship and stay above the water