using four eights (8) and a one (1) and one mathematical symbol , create the number 100

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

John was piloting a plane behind a car but was never able to overtake it. Why?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

If eleven plus two equals one, what does nine plus five equal?

What does an Island and the letter T have in common?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?