Name a key which is hardest to turn.

Can you replace the question mark with the correct number in the below table sequence?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

Here is a Swiss Cross. You have to make two straight cuts in the figure so that it is divided into four congruent pieces. Also, you should be able to join these pieces into a square then. Can you accept this challenge?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Who always enjoys poor health?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven