Can you find the key in the picture below?

What four weights can be used to balance from 1 to 30 pounds?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

What is the centre of gravity?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Replace the question mark with the correct number in below Picture:

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?