What does this rebus mean?

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There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

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

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Before Mount Everest was discovered, what was the highest mountain in the world?

When it is alive we sing, when it is dead we clap our hands. What is it?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?