Move four matchsticks to the below square to form three squares?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

What do you think with the below Picture ?

How is a fly different from a mosquito?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What does this simple rebus mean?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?