# Can you solve this 'simple' maths puzzle as 'many people' fail to answer correctly?

Maintaining our physical health is just as crucial as keeping our mental health in check and ensuring we are taking good care of ourselves - and our brains.

One of the most effective ways to ensure your brain gets a good workout is to challenge yourself with a variety of difficult brain teasers that forces you to think outside the box. And while it may be some people's least favourite subject, maths is an excellent source of these puzzles.

However, this maths puzzle might have you pulling your hair out in frustration. But if you're up for a challenge, see if you can guess what the answer is.

It should be "simple" to solve. However as it turns out, "many people" fail to answer it correctly, reports the Mirror.

The puzzle was shared on X (formerly Twitter) by the @quiz_riddles account, who captioned it: "Many people will get this wrong. What is the answer? ".

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The puzzle has three seemingly straightforward addition sums, and a fourth one which had not been solved. However, you may notice that the sums don't quite add up to what you think they would.

Whilst it says that 1 + 4 = 5, the puzzle also says that 2 + 5 = 12 and that 3 + 6 = 21. Finally, the puzzle prompts you to figure out what 8 + 11 should be.

Now, we all know that in reality 8 + 11 is 19, but that's not the correct answer for this perplexing brain teaser. Do you know what the solution should be?

If you're still trying to work it out, don't scroll any further - as we're about to reveal the correct answer!

SPOILER! The answer of 8 + 11 is 96.

There are two methods to solve this conundrum. The first solution involves adding the result of the previous sum to the next one.

For instance, 1 + 4 equals 5, and to make 2 + 5 equal 12, we add the 5 from the previous answer. Similarly, 3 + 6 equals 21 if you consider the full sum as 3 + 6 + 12.

However, this approach requires additional calculations between the sums, as you need to determine the values of 4 + 7, 5 + 8, 6 + 9, and 7 + 10 before arriving at 8 + 11. If done correctly, the full sum should be 8 + 11 + 77, which equals 96.

A faster way to solve the puzzle is to think creatively. I observed that while 2 + 5 doesn't equal 12, 2 x 6 does.

This pattern holds true for all the sums, including 1 + 4. By changing the plus sign to a multiplication sign and adding one to the second number, every sum is correct.

And indeed, 8 x 12 also yields 96. Did you get it and if so, how long did it take you?