An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

What goes up but never comes down?

Can you find out the number that should replace the question mark with a valid reason?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

I am the fastest animal but cannot climb the tree. What am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?