Find the value of "?" in the ball picture Riddle below:

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Which city is three-fifths chick two third cat and 50% goat?

Count the squares in the matchstick puzzle below?

Can you solve the photo plexer logic ?

I am the fastest animal but cannot climb the tree. What am I?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?