Replace the question mark with the correct number below.

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

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

What is full of holes but still holds water?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?