In the end, the answer to the puzzle is simpler than it seems: the trick lies in multiplying the first number by 3. So, for the equation 5 = 15, you multiply 5 by 3 to get 15; for 7 = 21, you multiply ...
PUT your vision and patience to the test with this challenging brainteaser. Only those with perfect eyesight and a high IQ will be able to find all of the animals in this image in under 10 ...