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1,5,17,53,161,_______ഈ ശ്രേണിയിലെ അടുത്ത സംഖ്യ ഏത് ?

A286

B328

C485

D268

Answer:

C. 485

Read Explanation:

1*3+2=5. 5*3+2=17. 17*3+2=53. 53*3+2=161. 161*3+2 = 485


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