What does this below rebus puzzle mean?

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?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Give it food and it will live; give it water and it will die.

Be active and find the killer in the picture Riddle below.

What has 13 hearts but no other organs?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Look at the picture and find out which square is not linked with any of the other squares.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?