You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Count the number of triangles in the below picture?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Solve the puzzle by telling what does below picture means.

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What has no start, end, or centre?

How far can you walk into the woods?

What kind of band never plays music?