If eleven plus two equals one, what does nine plus five equal?

What has a ring but no finger?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

A man dies of old age on his 25 birthday. How is this possible?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

I look at you, you look at me I raise my right, you raise your left. What am I?