an elephant drinks 225 liters of water in a day.
so in 2 days, it will drink the two times of 225 liter
So the water in (L) for two days is
so in 3 days, it will drink the three times of 225 liter
So the water in (L) for three days is
so in 4 days, it will drink the four times of 225 liter
So the water in (L) for four days is
so the answers are
In 2 days elephant drinks 450 liters of water.
In 3 days elephant drinks 675 liters of water.
In 4 days elephant drinks 900 liters of water.