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Maths Puzzle
2,5,13,31,69,__,__
Read Solution (Total 2)
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- 147 305 the series is 2*2+1=5
5*2+3=13
13*2+5=31
31*2+7=69
69*2+9=147
147*2+11=305
- 11 years agoHelpfull: Yes(4) No(0)
- 147
5-2 = 3
13-5 = 8
31-13 = 18
and thereafter 8-3 = 5, 18-8 = 10 and so on... - 10 years agoHelpfull: Yes(0) No(0)
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