Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Next Number in the Series,

5, 16, 49, 104, ?

Which is the correct shadow of the bird?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

The centre of the third figure is empty. What digit should fit inside?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

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?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?