Answer Posted / neveno.naveen

2,20,74,11o,?

2....20 2+18=20
20...74 20+54=74
74...110 74+36=110

2..........20..........74........110
difference diff.. diff
18 54 36

here 18*3=54
and 36*3=108 so add this 108 into 110 then

the ans is : 110+108=218

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