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Complete the series 21 , 25 , 33 , 49 , 81 , ?? , ??

+2 votes
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posted Apr 29, 2014 by Mohammad

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2 Solutions

+2 votes

the first number in this series added with 4 answer is 25 (3rd num)and 4x2 is 8 added to 25 answer is 33 likwise the series continues the last numbers are 145,273

solution Apr 29, 2014 by Suganya.m
0 votes

145, 273. Difference between the terms of the series- 4,8,16,32,64,128

solution Apr 29, 2014 by Priyaa Trippayar Sahasranaman
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