Consider integers from 1,000 to 9,999. Then, answer the following questions. a) How many even integers that all digits are distinct. b) How many integers that all digits are distinct and less than 8. c) How many integers that the summation of all digit is equal to 10. How many integers which are even palindromes? d) Example: 1221, 7227, and 1111 are odd palindromes. 2112 are even palindromes.

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Consider integers from 1,000 to 9,999. Then, answer the following
questions.
5.
а)
How many even integers that all digits are distinct.
b)
How many integers that all digits are distinct and less than 8.
c)
How many integers that the summation of all digit is equal to 10.
d)
Example: 1221, 7227, and 1111 are odd palindromes. 2112 are even palindromes.
How many integers which are even palindromes?
Transcribed Image Text:Consider integers from 1,000 to 9,999. Then, answer the following questions. 5. а) How many even integers that all digits are distinct. b) How many integers that all digits are distinct and less than 8. c) How many integers that the summation of all digit is equal to 10. d) Example: 1221, 7227, and 1111 are odd palindromes. 2112 are even palindromes. How many integers which are even palindromes?
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