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Find the next number in the series - 21; 32; 54; 87; 131; ?

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Find the next number in the series - 21; 32; 54; 87; 131; ?
posted Mar 6 by Sandeep Otari

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1 Answer

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Differences are multiples of 11 starting from 11
21 + 11×1 = 32
32 + 11×2 = 54
54 + 11×3 = 87
87 + 11×4 = 131
131 + 11×5 = 186.

answer Mar 6 by Tejas Naik
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