Replace the question mark with the correct number.

Can you move 2 matchsticks to form four equal sized squares.

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

If eleven plus two equals one, what does nine plus five equal?

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?

What does this mean?

CCCCCCC

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?