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Which number comes next in the number series - 2, 9, 30, 93, ??

+3 votes
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Which number comes next in the number series - 2, 9, 30, 93, ??
posted Jan 15, 2016 by anonymous

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6 Answers

+1 vote

(2*3)+3=9
(9*3)+3=30
(30*3)+3=93
(93*3)+3=282
Ans is 282

answer Jan 15, 2016 by Jaikumar Bhatia
+1 vote

(2+1)*3, (9+1)*3, (30+1)*3, and next is (93+1)*3=282, and next is (282+1)*3=849
Another solution is 2, 9, 30, 93, 100, 282, 303, 310,849

answer Jan 15, 2016 by Sture Sjöstedt
+1 vote

2
2+7 =9
9+(7×3)=30
30+(7×(3^2))=93
93+(7×(3^3))=282

answer Jan 16, 2016 by Tejas Naik
+1 vote

Next No come in series is 282

answer Jan 31, 2016 by Mahendra Kumar Patel
What is the logic?
+1 vote

Answer is:282
Given 2,9,30,93....

Here 9-2=7
30-9=21
93-30=63

Now 7*3=21
21*3=63
So 63*3=189 and 189+93=282

answer Feb 10, 2016 by Spoorthi Jain
–1 vote

2,9,30,93,100,282,303,..
(2+1)*(9+1)=30
(2+1)*(30+1)=93
93+9-2=100
(2+1)*(93+1)=282
282+30-9=303

answer Jan 31, 2016 by Sture Sjöstedt
Note that there is no 100 in the series given in the question.
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