Question

5,7,19,55,135,? whats come next?
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Answer 1

Answer

Correct option is

D

487

Option (D) is the correct answer

Explanation:

In the following series the first number is multiplied by 3 and subtracted by 2 to form next number

7×3−2=21−2=19

19×3−2=57−2=55

55×3−2=165−2=163

163×3−2=489−2=487

Hence 487 is the correct answer.