Can you convert the number zero(0) into a positive number using just one mathematical operator ?

81 x 9 = 801. What must you do to make the this equation true?

What is the centre of gravity?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

Which is heavier: a ton of bricks or a ton of feathers?

Which fur should we be getting from the Lion?

Bay of Bengal is in which state?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?