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If k, k^2 and (2k+1) are in arithmetic progression then possible value of k-(1/2k) is?

+1 vote
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1) 1/2
2) 1
3) 3/2
4) 2
5) 5/2
6) 5/3
7) 5/4
8) 7/6
9) 6/13
10) 3/16

posted Mar 4, 2015 by Ankur Athari

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