You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Why 1729 is a magic number? Answer Logically.

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

What has to be broken before you can use it?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?