Can you count the number of triangles in the given figure?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

Find the missing number in the sequence below:

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?