30,28,25,20,34,28,? What is the next number in the above Sequence?

Submitted by: Administrator
ans=29
3*10=30
4*7=28
3*8=25
4*5=20
3*11=33+1=34
4*7=28
3*9=27+2=29
so like(one digrement and one ingrement valu than adding 1,2,3etc... Ingremented)
Submitted by: Administrator

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