You’ll need to be a modern-day Einstein to crack this devilish equation.
If you fancy yourself as the family genius, always ace the Countdown maths challenge and can divvy up the bill without resorting to a calculator – we’ve got just the brainteaser to put your intellect through its paces. Puzzles like this aren’t just a fantastic way to show off your maths prowess; research indicates that brainteasers can actually have a positive effect on your central nervous system – leading to enhanced concentration and a better attention span.
However, with a strict time limit for this deceptively tricky brainteaser – you might find yourself a tad baffled. Ready to take it on?
Let’s jump right in….
The image above presents a seemingly straightforward equation. We know that x + y = 3 and that x – y = 1.
But, what is 4xy?
Bear in mind, you’ve only got 30 seconds to solve this one to demonstrate you’re truly a maths whizz. If you exceed the time limit, you can kiss that Mensa membership goodbye…. Already throwing in the towel, or think you’ve cracked it?
If that cryptic conundrum was too much for you, don’t fret. You might fare better with these 10 rapid-fire questions you’d likely encounter at your local pub quiz.
However, all of these questions have been designed to trick you (you didn’t think we’d make it easy, did you?). You need to score eight out of 10 to prove you have a high IQ, so don’t get too cocky and make sure you read the Qs properly.
Once you’re done, you can check your answers here.
Check the working out below:
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