What has no start, end, or centre?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

The more you take me, the more you leave me behind.
Who Am I?

What is harder to catch the faster you run?

What is the fastest way to double your money?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

Solve the following series:
AZ, GT, MN, __, YB