What can you see in the middle of March and April that you can never see in any other month?

I look at you, you look at me, I raise my right, you raise your left. What am I?

What seven-letter word has hundreds of letters in it?

What number should come in place of the question mark below?

Can you find the key in the picture below?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

What question can you never answer yes to?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?