What does this Rebus Picture means ?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What am I?

With the help clues provided in the image, can you find the 5 digit key?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?