Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

Why do we preferably have round manhole covers and not square ones?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

There is something which you can be arrested for attempting but not for successfully completing.

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

Why is the longest human nose just 11 inches?

What came first, the chicken or the egg?

Can you find a five letter word that is left with only two letters if one is removed?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.