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

What have one eye but still cannot see?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?