If 1+9+8=1, what is 2+8+9?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Why did the Girl throw the butter out of the window?

Which alphabet is a part of our body?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

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?

Can you solve this picture maths equation?

Find the hidden tiger in the given optical illusion ?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

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