Can you count the number of squares in the given picture?

What does the below rebus riddle means?

What is the next number in this matchsticks series riddle?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

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

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

A man dies of old age on his 25 birthday. How is this possible?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Out of four images which one is the odd one out?