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Which of the following numbers is the odd one out? 198 497 132 561 275 352

+1 vote
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posted Jul 20, 2015 by Mridul

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2 Solutions

+2 votes
 
Best answer

Ans is 497
Logic is... Addition of 1st and 3rd digit is middle no.
a+c=b.... abc

solution Jul 21, 2015 by anonymous
+1 vote

497
1=3-2
4=9-5
1=9-8
5=6-1
2=7-1
3=5-2

solution Jul 21, 2015 by anonymous
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