What is the last number?
How much do you really remember from the math classes several years ago?
Therefore, the math challenge below has been popping around the internet a lot lately – precisely because not many people can solve it.
Here is the challenge.
In the picture below we can see five numbers. By looking at them, you should be able to calculate the next number, where the question mark is located.
Now look at the picture – and remember that you only have ten seconds to solve it!
Were you able to solve this math riddle? Big congratulations if you were, you really do remember the math from back in school!
If you weren’t, the answer is below the next picture.
A
B
C
Time for the answer
The answer is 33.
How did we get there?
2 = 2^0 + 1
3 = 2^1 + 1
5 = 2^2 + 1
9 = 2^3 + 1
17 = 2^4 + 1
=> 2^5 + 1 = 33.
The answer, in conclusion, is 33.
Did you get it right?