Find the missing term in the following series ?

80, 87, 61, 124, 0, ?

Question

Question

This question was previously asked in

SBI PO Prelims Memory Based Paper (Held on: 17th December 2022 Shift 2)

Answer 1

Series follow the following pattern

80, 87, 61, 124, 0, ?

⇒ 80, 87, 61, 124, 0 , ?

+7 -26 +63 -124

⇒ 2³ -1 = 7

⇒ 3³- 1 = 26

⇒ 4³ - 1 = 63

⇒ 5³ - 1 = 124

⇒ 6³- 1 = 215

Then next term is 0 +215 = 215

Hence 215 is the correct answer.

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