What goes up but never comes down?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

There is something which you can be arrested for attempting but not for successfully completing.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

what does the below math rebus puzzle mean?