Which number should replace the question mark?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

If two's company, and three's a crowd, then whats four and five ?

Prove that the below maths equation is true.

8 + 8 = 91

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

Can you count the number of squares in the figure below?