Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

Why is the longest human nose just 11 inches?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___