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

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Why do you find that most of the buildings are deprived of the 13th floor?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

What does below Rebus say?

XLR8

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

What has one letter and starts with an E?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?