I have branches, but no fruit, trunk or leaves. What am I?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A couple went on a climbing trip. But only the husband returned from the vacation and said that his wife slipped off while climbing and died. On investigating, the local sheriff arrested him saying, 'Your travel agent called. You murdered your wife.'

The man did not inform anyone about the trip. Then how was the agent so sure that it was a murder?

How many sides does a circle have?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211