What is wrong in the below Picture?

What goes up but never comes down?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What word is represented by this rebus?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

I have feet, but no legs. Which animal Am I?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.