I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Make a sentence consisting of three words that have the whole alphabet.

Name a key which is hardest to turn.

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

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

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Before Mount Everest was discovered, what was the highest mountain in the world?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?