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

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

2, 3, 5, 9, 17, _ What is the next number in the sequence?