Can you locate the key?

Picture Riddle : Can you find the hidden key in the picture?

Can you locate the key?

Can you find the hidden key in the picture below?

Solve this math problem to see answer.

It's in the beer mug.
answer of the riddle

It belongs to Illusions category and tagged with brain illusions brain teasers optical illusions 90% fail to answer eye test visualization test picture riddle