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Find the next number in the following series - 2, 3, 5, 6, 3, 4, 7, 12, 4, 5, 9, ?

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Find the next number in the following series - 2, 3, 5, 6, 3, 4, 7, 12, 4, 5, 9, ?
posted Jan 28, 2017 by anonymous

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1 Answer

+1 vote

2+3=5
2x3=6
||||| 4+5=9
4x5=20
Ans: 20

answer Jan 30, 2017 by Anhthu Cao
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