I have teeth but i don't bite. Who Am I ?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

Can you make a six-letter word using the letters N, A and B ?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

What has many teeth, but cannot bite?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

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