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What next number in series.

+2 votes
311 views
posted Mar 17, 2014 by Navin Upadhyay

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4 Solutions

+1 vote
 
Best answer

Answer is = 51

6 + 3 = 9
9 + 6 = 15
15 + 12 = 27

27 + 24=51

i.e. we add 3 , 6 , 12 , 24 , 48 , 96..................to find the next turm

solution Nov 4, 2014 by Samrath Nagar
+1 vote

Another logic is
6, 9 (6+3), 15 (9+6), 27 (15+12), 51 (27+24)

So the answer is 51

solution Apr 23, 2014 by Rahul Vaidya
0 votes

Next number is 45.
6, 9 (6+3), 15 (9+6), 27 (15+12), 45 (27+18)

solution Apr 23, 2014 by Shatark Bajpai
0 votes
Answer is 33

since

2*3=6
3*3=9 => (2+1)*3=9
5*3=15 => (3+2)*3=15
9*3=27 => (5+4)*3=27
11*3=33

solution Nov 4, 2014 by Vigneshvari
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