In which direction should the missing arrow point?

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

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82

A blonde put eyeliner on her head. Why?

What is full of holes but still holds water?

What is Luis Suarez's (Soccer Player) favorite tea?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?