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      Question

      If 11 times the 11th term of an A.P. is equal to 7 times

      its 7th term, then its 18th term will be
      A 11 Correct Answer Incorrect Answer
      B 18 Correct Answer Incorrect Answer
      D 7 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      We are given: 11 times the 11th term = 7 times the 7th term in an A.P. Use the formula for the nth term of an A.P. So, 11th term = a+10d 7th term = a+6d Given Condition –

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