It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Which Travels Faster? Solve below famous picture riddle:

I’m orange, I wear a green hat and I sound like a parrot. What am I?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

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

Optical Illusion: People with hawk eyes can spot a different car in 5 seconds. Can you? Test your vision now!

how come the second man dies?

Sharpen your observation skills as you compare two seemingly identical images. Grab a magnifying glass, involve a buddy, and unleash your inner detective. Check the solution to see if you're a difference-detecting maestro!

The UN Security Council has how many member states?

a) 15
b) 10
c) 20
d) 25