Missing digit making a number divisible by 11

The same question, asked 2 times: 9 Sep 2024 S3*, 17 Sep 2024 S3. Every wording below, oldest first.

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Question 1
9 Sep 2024 S3
59 $If 7845K854 is divisible by 11, then what is the value of K?$
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Question 2
17 Sep 2024 S3
60 $If P is a digit such that 6954P is divisible by 11, then P equals:$
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