12 22 69 272 1365 ?
a) 8196
b) 8184
c) 8195
d) 6830
e) None of these

1 Answer

Answer :

12 × 2 - 2 = 22
22 × 3 + 3 = 69
69 × 4 - 4 = 272
272 × 5 + 5 = 1365
1365 × 6 - 6 = 8184
Answer: b)

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