Can you replace the question mark with the correct number?

Look at the picture and find out which square is not linked with any of the other squares.

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

What is the fastest way to double your money?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

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.

Can you count the number of triangles in the picture below?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

Solve the puzzle by telling what does below picture means.

What two things can you never eat for breakfast?