Today’s IQ test is a mathematical puzzle requiring deductive reasoning and mental effort. It’s a fun puzzle that forces you to use all your mental faculties and imagination.

## Presentation of the mathematical puzzle

This math riddle is perfect for testing your mental alertness and powers of observation. Solving IQ tests of this kind can be a comprehensive brain workout that engages both the right and left sides of your brain.

Today’s challenge takes the form of mathematical equations represented by an apple, an orange and a kiwi. It’s a fairly simple puzzle. But you’ll have to use your brainpower to find the right answer.

## Answer to the mathematical puzzle

Were you able to solve this mathematical puzzle quickly enough? If so, congratulations, you’ve got quite a high IQ.

The first line: apple + apple + apple = 27. The value of an apple is therefore 9.

The second line: apple – orange – orange = 3. The value of an orange is 3.

The third line: orange x kiwi = 1. The value of a kiwi is 1/3.

The fourth line: apple – orange Ã· kiwi + 1 = ? If you replace each element with its respective value, you get: 9 – 3 Ã· 1/3 + 1 = ?

**The correct answer is -7.**

If you don’t succeed in solving the mathematical riddle, don’t be discouraged – you’re probably out of practice. Don’t hesitate to try other tests to test your observation skills and increase your IQ.