Spot what is wrong here in below Picture?

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

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

Can you move 2 matchsticks to form four equal sized squares.

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

If 21x = 79x, what is the value of x?