A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
6,11,21,36,56,?
The pattern followed is that multiples of 5 are added.
6 + 5 = 11
11Â + 10 =Â 21
21Â + 15 =Â 36
36Â + 20 =Â 56
56Â + 25 =Â 81
=> Ans - (C)
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