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    Question

    Let 'm' be the count of primes from 1 to 75, and 'n' be the

    number of prime numbers between 76 and 100. Find m × n.
    A 90 Correct Answer Incorrect Answer
    B 84 Correct Answer Incorrect Answer
    C 42 Correct Answer Incorrect Answer
    D 50 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Number of prime numbers from 1 to 75 = m = 21

    Prime numbers between 76 and 100: 79, 83, 89, 97 → Total = 4

    So, n = 4

    m × n = 21 × 4 = 84

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