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      Question

      How many terms are common in two arithmetic progression

      1, 4, 7, 10 …. upto 63 terms and 3, 7, 11, 15 …. up to 47 terms: 
      A 12 Correct Answer Incorrect Answer
      B 16 Correct Answer Incorrect Answer
      C 15 Correct Answer Incorrect Answer
      D none of these Correct Answer Incorrect Answer

      Solution

      The correct answer is B

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