A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

What has 88 keys?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Why Aeroplane windows are round?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

They are three errirs in this question. Can you find them?

What is so fragile that saying its name breaks it?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.