There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

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

Which digit occurred maximum times between the number 1 and 1000?

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

Why is the Hole below a Lock?

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

Which tank will fill first?

Can you complete the sequence?

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

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Count the number of triangles in the below picture?