Answers

2016-07-04T15:46:28+08:00
3,7,11,15,19,23,27,31,35,39 it means 39 is in the 10th term I hope it can help
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2016-07-04T15:58:58+08:00
The answer is 10th term  ..  adding  by 4  .. ex. ) 3+4=7+4=11+4 =15 :)
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