Hey All; @StemGeeks Mathematician;

Without further, ado, let's get to our **Brain Teaser :: Can You Solve this Addition Sum?**

Have a close look at the image given and see if you can find the missing number in the last line. Just remember there hasn't have to be a logic always. The puzzle isn't that hard to solve.

There are few different solution and simple basic math's knowledge is required to get the equation right. Just give it a try - all you need to do is pick up a rough paper and see the equation that's being formed and you will get the answer. Just give it a try and its that simple I assure you. There is no right or wrong - comment your answer on the reply box below to enter a chance to **WIN 10 STEM** tokens...

### STEM token GiveAway...

I'll be again doing a giveaway of **STEM tokens** to the lucky random winner with the correct answer. For the last contest, which was Brain Teaser :: Can You Solve the iF Then Puzzle?.

### Solution :: Brain Teaser :: Can You Solve the iF Then Puzzle?

###### Pattern being followed was:: X * X – 1 = Answer = That Simple it was - i.e.::

First Row :: 2 x 2 -1 = 3

Second Row :: 3 x 3 – 1 = 8

Third Row :: 4 x 4 – 1 = 15

Fourth Row :: 5 x 5 – 1 = 24

Fifth Row :: 8 x 8 – 1 = 63

Finally the answer to the puzzle was:: **63**

We had Four entries and three of them provided the right answer. Hence, I am going to Split the rewards amongst all the three winners - @lochard, @notak and @johnuko .. And the Winner is ::

Congratulations ALL - You all WIN yourself 5 STEM tokens each. You should be having the rewards in your STEM Wallet Soon.

### Math Quote for the Day::

Here is the motivation to solve the Math Puzzle?

If you like my work, then please spread the Word.. that we do have the **Math Brain Teasers** competition here @StemGeeks platform. Reblog is much appreciated.

Best Regards

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PS:: All the Maths Brain Teasers; are made by me using the Pro Canva License Version