I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

All Marigolds are flowers.
Few Flowers are used to make colors.
Therefore, some Marigold are used to make colors.

True Or False?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?