Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

What can go through glass without breaking it?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Replace the question mark with the correct number in below Picture:

What's a single-digit number with no value?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

who is silent in the parliament?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?