During which month do people sleep the least?

Can it be possible to build a house that has all its four walls facing towards the South?

How is the moon similar to a dollar?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What happened when the wheel was invented?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.