Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you solve below mathematical equation?

2^1234 - 2^1233

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

What is the riddle which can be asked all day with a different correct answer each time.

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

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

Which tank will fill first?