Can you move 2 matchsticks to form four equal sized squares.

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

In which direction should the missing arrow point?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What time is it when an elephant sits on a fence?

I have eight fingers and two thumbs but I do not live. What Am I?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

What does the below image rebus riddle means ?