It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

What begins with T, ends with T, and has T in it?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Solve the counting riddle by identifying the number of triangles in the given picture.

What occurs twice in a week, once in a year but never in a day?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

What's the best place to go shopping in the ocean?