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If 11=20 12=31 13=42 then 14=??

+2 votes

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posted May 1, 2014 by Amit Kumar Pandey 1 abuse reported

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0 votes

Answer will be 53

Formula
ab = (a+b)(b-a)

answer May 6, 2014 by anonymous 1 abuse reported

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If
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If;

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&

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...