How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Solve the mathematical equation in the picture below.

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Can you move 2 matchsticks to form four equal sized squares.

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

What breaks yet never falls, and what falls yet never breaks?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

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

Who am I?