Can you find out the missing number in the grid?

How can you take 2 from 5 and leave 4?

What makes this number unique: 8,549,176,320?

Count the Triangle in the figure given below:

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Which alphabet is a part of our body?

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