Why Aeroplane windows are round?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Spot what is wrong here in below Picture?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Count the number of squares in the picture below.

I have eight fingers and two thumbs but I do not live. What Am I?

What is the centre of gravity?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?