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

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

How can you make number one disappear by adding something to it?

I make two people out of one. What am I?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

When we see 2 but call 10?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?