What do you answer even though it never asks you questions?

Can you name four days which start with the letter 'T'?

What word is pronounced the same if you take away four of its five letters?

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.

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

How is the moon similar to a dollar?

Can you tell a 3D object that has just two surfaces?

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

You can hear me, but you can't touch or see me.

What am I?