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

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

You can hear me, but you can't touch or see me.

What am I?

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.

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

What 5-letter word typed in all capital letters can be read the same upside down?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?