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

What has a bottom at the top?

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?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Who are the happiest people in IPL match?

How is a fly different from a mosquito?

Why is the longest human nose just 11 inches?

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

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?

Move four matchsticks to the below square to form three squares?