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The sum of each two adjacent blocks gives the number above. What number should replace the question mark?

+2 votes
3,644 views

The sum of each two adjacent blocks gives the number above. What number should replace the question mark?

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posted Nov 23, 2016 by Vishal

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3 Answers

+1 vote
 
Best answer

enter image description here

The most important point is A.

x=22+A y=A+30
x+y=122
(22+A)+(A+30)=122
2A+52=122
A=35
enter image description here

answer Nov 24, 2016 by 이기가
Thanks with the nice explanation
commented Nov 26, 2016 by Vishal
would you mind explaining this a little further?
commented Mar 26, 2020 by anonymous
+1 vote

enter image description here

answer Nov 23, 2016 by Tejas Naik
0 votes

231
(122+109)

answer Jun 18, 2017 by Thillairajan



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