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Numbers greater than a given value formed from given digits

This type of question, asked 4 times: 2021 Paper 13, 24 Jan 2023, 25 Jan 2023, 28 Jan 2025. All 4 questions below, oldest first.

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  1. Question 1

    2021 Paper 13

    48
    Find the number of numbers >10000> 10000 that can be formed with the digits 0, 2, 4, 6, 8, if repetition is not allowed.
  2. Question 2

    24 Jan 2023

    169
    The number of integers, greater than 7000 that can be formed, using the digits 3,5,6,7,83,5,6,7,8 without repetition, is

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  3. Question 3

    25 Jan 2023

    168
    The number of numbers, strictly between 5000 and 10000 can be formed using the digits 1,3,5,7,9 without repetition, is

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  4. Question 4

    28 Jan 2025

    51
    The number of different 5 digit numbers greater than 50000 that can be formed using the digits 0,1 , 2,3,4,5,6,72,3,4,5,6,7, such that the sum of their first and last digits should not be more than 8 , is

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