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    • Question

      Assume ‘x’ is the total count of prime numbers between

      1 and 60, and ‘y’ is the number of primes from 61 to 90. Find x × y.
      A 90 Correct Answer Incorrect Answer
      B 84 Correct Answer Incorrect Answer
      C 42 Correct Answer Incorrect Answer
      D 119 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Number of prime numbers from 1 to 60 = x = 17

      Prime numbers between 61 and 90 are: 61, 67, 71, 73, 79, 83, 89 → Total = 7

      So, y = 7

      x × y = 17 × 7 = 119

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