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What should be the value of the fourth column?

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What should be the value of the fourth column?

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posted Apr 2, 2019 by Nikita Sehgal

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1 Answer

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61


Comparing first 2 columns we get 4 grey + 4 black = 104, grey+black=26, from the third column- white = (66-26)/2=20
So, grey = 15, black = 11, white = 20
Last column = 2*15+11+20 = 61

answer Apr 2, 2019 by Hanifa Mammadov



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