There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What do you answer even though it never asks you questions?

What is the Surname of Barbie Doll?

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?

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

Can you count the number of quadrilaterals in the picture below?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?