Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

I add 5 to 9 and get 2. The answer is correct, so what am I?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

I am the fastest animal but cannot climb the tree. What am I?

What will you call your mother's brother's brother-in-law?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

When we see 2 but call 10?

What has a ring but no finger?