There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

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?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

What has a bottom at the top?

What jumps when it walks and sits when it stands?

Different lights make me strange by changing me into different sizes. What am I?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

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

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?