In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

What does this rebus means ?

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

What is more useful when it is broken?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

What occurs twice in a week, once in a year but never in a day?

Find the missing letter in the last circle logically in the given below picture.

10+10 and 11+11 can give you the same answer.

Explain how?