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

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Which alphabet is a part of our body?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

What Deficiency does the below rebus represent?

VIT_MIN