Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Take one out and scratch my head, I am now black but once was red. What am I?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

What does this rebus puzzle means ?

Which fur should we be getting from the Lion?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Why do you find that most of the buildings are deprived of the 13th floor?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

Can you solve this picture maths equation?