You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

What does this rebus means ?

PROG WORKRESS

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

Find out the number of circles in the given picture having Illusion

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

There is something which is always coming but never arrives?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?