Using Only Five 5's and any mathematical operator make sum as 37

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

When it is alive we sing, when it is dead we clap our hands. What is it?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

What country can make you shiver?

You can hear me, but you can't touch or see me.

What am I?

People make me, save me, change me, raise me. What am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?