Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

There are five people. One of them shot and killed one of the other five.
We know following clues:
1. Dan ran in the NY City Marathon yesterday with one of the innocent men.
2. Mike consider being a farmer before he moved to the city.
3. Jeff is a top notch computer consultant and wants to install Ben new computer next week.
4. The murderer had his leg amputated last month.
5. Ben met Jack for the first time six months ago.
6. Jack has been in seclusion since the crime.
7. Dan used to drink heavily.
8. Ben and Jeff built their last computers together.
9. The murderer is Jack's brother. They grew up together in Seattle.

Consider yourself to be a famous detective "Sherlock Homles", Can you find the killer?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Which part of London exists in France as well ?

What does this rebus mean?

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TIME

What is more useful when it is broken?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

You are a thief and you are being punished for your crime. People have tied your head down on a tree with a rope that has been anchored in the ground. A candle is burning below the rope which is slowly burning it away. Just below your head, a Lion has been left loose and is waiting for you to drop down on the ground so he can have you as his lunch.

You have to survive the scenario. How will you do it?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Which is the rope you never skip with?