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    • Question

      ‘m’ is the number of prime numbers from 1 to 100 and

      ‘n’ is the number of prime factors from 101 to 125. Find the value of m × n.
      A 175 Correct Answer Incorrect Answer
      B 155 Correct Answer Incorrect Answer
      C 125 Correct Answer Incorrect Answer
      D 135 Correct Answer Incorrect Answer

      Solution

      Number of prime factors from 1 to 100 = m = 25

      Number of prime numbers from 101 to 125 are 101, 103, 107, 109, 113, 127, and 129, i.e., 7.

      So, n = 7

      m × n = 25 × 7 = 175

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