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Any ideas how to approach this problem?

5 Answers

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Hi u/mak1234mak,

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Correct answer is 5 I think

It is the top value added to (bottom value times second to bottom value)

For row 2

15*2=30+4=34


For row 1

21 times 1 +?=26

?=5
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It's just a math riddle. There are apps for them that can help you practice abstract thinking
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The approach to this olympiad level problem is getting on my nerves. Is the rule applicable to row and column? Is there a general way to solve these type of poblems?
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4\*5+2=22

15\*2+4=34

1\*21+x=26

x=5

**A.** 5

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