What begins with T, ends with T, and has T in it?

Who is that with a neck and no head, two arms and no hands? What is it?

A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

What can go up a chimney down, but can’t go down a chimney up?

Which city is three-fifths chick two third cat and 50% goat?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Can you start the fire using two pieces of wood?

Prove that the below maths equation is true.

8 + 8 = 91

There is a rock group of four men that do not sing. Name It?