Can you solve below mathematical equation?

2^1234 - 2^1233

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

By moving just one matchstick, you need to make the below statement true. Can you do it?

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?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

Can you quickly find which two matchstick figures are identical?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Spot what is wrong here in below Picture?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.