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.

Can you name an animal whose killing cannot be performed without spilling your own blood?

People make me, save me, change me, raise me. What am I?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What has no start, end, or centre?

When 99 is considered higher than 100?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209