1.

7, 9, 19, 45, 95, ?1). 1502). 1603). 1454). 177

Answer»

The pattern of the given series is:

7,

9 = 7 + 12 + 1

19 = 9 + 32 + 1

→ 45 = 19 + 52 + 1

95 = 45 + 72 + 1

→ ? = 95 + 92 + 1

⇒ ? = 177


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