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Question

The general term of the sequence 7,12,17,22,27,is
  1. 5n+2
  2. 5n+3
  3. 3n+5
  4. 3n+2


Solution

The correct option is A 5n+2
Given : 7,12,17,22,27,
This is a A.P., so
a=7,d=127=5Tn=7+(n1)×5Tn=5n+2

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