What goes up but never comes down?

How many times can you subtract the number 5 from 25?

There is a place where if I stand up straight, I will still be considered sideways.

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Can you find out the remainder when 3^300 is divided by 5?

Whats the next number in the below number sequence pattern.

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?