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What is the next number in this series : 3 , 2 , 5 , 6 , 7 , 12 , 9 , ?

+2 votes
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What is the next number in this series : 3 , 2 , 5 , 6 , 7 , 12 , 9 , ?
posted Jan 5, 2015 by Pushpak Chauhan

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5 Answers

+2 votes

The odd number series are given as 3,5,7,9...
The even series is increasing by 4,6,8....
So 2,2+4=6,6+6=12,12+8=20...
So next number will be 20

answer Jan 13, 2015 by Jaspalsingh Parmar
+1 vote

1*2=2
2*3=6
3*4=12
4*5=20

answer Feb 14, 2015 by Sijo Jose
0 votes

Answer is 72 12*6=72

The odd number series are given as 3,5,7,9...
The even series is increasing by multiplication So 2,*6=12 and then 12*6=72
So next number will be 72

answer Jul 31, 2015 by Pankaj Bora
0 votes

The next number in this series : 3 , 2 , 5 , 6 , 7 , 12 , 9 is 20 because

this series contain two series...
first series is -> 3,5,7,9....(for next term +2),
second series is ->2,6,12.....so next term is 20 because
2+4=6;
6+6=12;
12+8=20(Ans).

answer Mar 18, 2016 by Ajay Kumar
–1 vote

Increase every third digit by odd number ex 357.. Starting from 3
3+3 =6
2+5 =7
5+7 =12
6+3 =9
7+5 =12
12+7 =19

answer Jan 6, 2015 by anonymous
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