P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Keyboard words are not in alphabetical order, Why?

Can you place six X (crosses) in below board without making three in a row in any way ?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Which number comes next in the number series?

2, 9, 30, 93, ?

What is the fastest way to double your money?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?