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?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

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

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

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E