If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Spot what is wrong here in below Picture?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

What goes up but never comes down?