I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What's the only room from which no one can enter or leave

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

Which English verb becomes past tense just by rearranging the letters?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Which is the smallest number that you can write using all the vowels exactly once?

If you say my name, I will no longer exist. What am I?

What number should come in place of the question mark below?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?