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

Find the last number in the series below:

voN luJ yaM raM ---

Prove that twice of ten is the same as twice of eleven.

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

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

What am I?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What brings you down but never up?

What is next number in the pattern below:

131 517 192 123 ?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?