What English word has three consecutive double letters?

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

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Can you write down eight eights so that they add up to one thousand?

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

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

If an electric train is travelling south, then which way is the smoke going?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?