**Hard Number Series Aptitude Riddle - 27 June**

What is the next number in the series.

15 29 56 108 208 ?

**For Solution :**Click Here

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What is the next number in the series.

15 29 56 108 208 ?

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400

ReplyDeleteDifference between Number is 14,27,52,100

ReplyDeleteThen 14*2-1 = 27

27*2-2 = 52

52*2 -4 = 100

Each time doubling numbers like 1 ,2,4,8

So on i got

400 ANSWER

400

ReplyDelete400

ReplyDelete4oo

ReplyDelete400

ReplyDeleteANSWER FOR THIS RIDDLE WILLBE 400

ReplyDelete400

ReplyDelete30* 0.5 = 15

ReplyDelete29*1 = 29

28*2 = 56

27 * 4 = 108

26 * 8 = 208

25 * 16 = 400

400

ReplyDelete15*1 = 15

15*2 = 30-1 = 29

29*2 = 58-2 = 56

56*2 = 112-4 = 108

108*2 = 216-8 = 208

208*2 = 416-16 = 400

15 29 56 108 208 __ (768).

ReplyDelete768 is key for you .i think you can understand now.