1.

1). 2112). 2123). 2154). 218

Answer»

The pattern of GIVEN series is:

→3 + 7 = 10,

→10 + 10 (7 + 3) = 20,

→20 + 19 (10 + 9) = 39,

→39 + 46 (19 + 27) = 85,

→85 + 127 (46 + 81) = 212

⇒??= 212

 



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