When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What is wrong in the below Picture?

What number do you get when you multiply all of the numbers on a telephone's number pad?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

A father's child, a mother's child, yet no one's son.

Who am I?

How can you take 2 from 5 and leave 4?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?