Who is that with a neck and no head, two arms and no hands? What is it?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

What building has the most stories?

How is the moon similar to a dollar?

What do you call a fish without an eye?

How can you make a TV, a bed, a dog, and a car liquid?

Who are the happiest people in IPL match?

Why is 6 afraid of 7?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What is the fastest way to double your money?