Which number should replace the question mark?

I am quite hot but become too cold if you remove the first two letters. What am I?

Can you name four days which start with the letter 'T'?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Five teams were competing in cricket where they faced each other exactly once. After the tournament, the following is the point table.

DareDevils 6
SuperKings 5
Royals 4
Sunrisers 2
Riders ?

How many points did Riders end up with?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

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

John was drowned by he was not wet. How?