Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

What is the next number?

77, 49, 36, 18 ?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What is the word or phrase below?
R | E | A | D

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What does this say?

XLR8