# What number should replace the question mark?

+1 vote
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The sum of each two adjacent squares gives the number above.

What number should replace the question mark?

posted Sep 10, 2014

## 2 Solutions

175.

Solving it is a bit like solving a sudoku. You fill in the values that will logically fit, and then the simplest way I found is to make educated guesses on the ones that are left. Two minutes and a sheet of paper full of scribbled numbers and you've got it!

solution Sep 11, 2014 by anonymous
+1 vote

175
this can be obtained by similar problem
whose solution is given by this method .
In this example value are different but using this method we obtained 175 in our program

solution Oct 30, 2014

Similar Puzzles

What number should replace the question mark?

+1 vote

What number should replace the question mark?

``````     3    12    6                    2    7    5
15                              9
18                              12

11    4     8                   8     3     4
15                               11
12                               ?
``````