O_er_t_o_

Complete the missing letters of the given word.

What is the next number in the series?

15 29 56 108 208 ?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you count the number of squares in the given picture?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

Can you find out the remainder when 3^300 is divided by 5?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

I shave every day, but my beard stays the same. What am I?

I look at you, you look at me, I raise my right, you raise your left. What am I?