Why do people go to bed?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

How many bananas can you eat if your stomach is empty?

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?

What does below pictogram mean?

What does does this rebus picture means ?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Why is the Hole below a Lock?

What is the next number in the series?

15 29 56 108 208 ?

Count the number of triangles in the below picture?