Replace the question mark with the correct number.

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

How can you make a TV, a bed, a dog, and a car liquid?

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?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Can you count the number of squares in the figure below?

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

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?