34. X is the number of two-digit numbers formed by
3, 5, or 7, when the repetition is allowed. Y is the
number of two-digit numbers formed by 3, 5, or
7, when the repetition is not allowed. Find by how
much X exceeds Y.
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Step-by-step explanation:
The two-digit numbers with repetitions of the digit 3, 5, 7 are 33, 55, 77. Ministry of Finance recruitment 2021, apply for 53 vacancies.
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