A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Prove that twice of ten is the same as twice of eleven.

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

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

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

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?