What is more useful when it is broken?

what does the below math 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?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

Can you write down eight eights so that they add up to one thousand?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

How can you make number one disappear by adding something to it?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

Can you find the missing piece of the Porsche?