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

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Before Mount Everest was discovered, what was the highest mountain in the world?

How can you make a TV, a bed, a dog, and a car liquid?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?