Look at the picture and find out which square is not linked with any of the other squares.

10+10 and 11+11 can give you the same answer.

Explain how?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

How can one talk without saying a single word?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

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

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

A sundial has the fewest moving parts of any timepiece. Which has the most?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

When my father was 31 I was 8. Now he is twice as old as me. How old am I?