Why is it very easy to weigh a fish?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

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.

Which word does the below Plexor means ?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

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

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

How many triangles are there in the picture below?