Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Can you name some countries which do not have the alphabet 'A' in them?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?