Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

You need to remove two matchsticks to make the below equation true. Can you do it ?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

What is the largest number you can write with just 3 digits?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?