Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Which wheel of car does not rotate when you turn your car right?

What has a ring but no finger?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

When it is alive we sing, when it is dead we clap our hands. What is it?