what does the below rebus means?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

What goes up but never comes down?

Which English verb becomes past tense just by rearranging the letters?

I have feet, but no legs. Which animal Am I?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

Why is it very easy to weigh a fish?

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?