sandollar sandollar

20-08-2016
Mathematics

contestada

what number comes next 3 4 6 9 13 18 24

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jilly2272 jilly2272

20-08-2016

31 - as the difference (starting from 1) increases by 1

so:

3,+1=4,+2=6,+3=9,+4=13,+5=18,+6=24,+7=31,

Answer Link

kwhite19 kwhite19

20-08-2016

31.

3+1=4
4+2=6
6+3=9
9+4=13
13+5=18
18+6=24
24+7=31

Answer Link

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