Why do we preferably have round manhole covers and not square ones?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

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

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Which alphabet is a part of our body?

Which is faster, Heat or Cold ? Explain.

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?