Given below is a series. Find the number of R's that have the same number before and after it.
7Y8U3E4R5R5T6Y7R8R8R9ILK7

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• A 2
• B 3
• C 1
• D 6

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Answer: A. 2

Option A is the correct answer. 5R5,8R8 are two occurrences of the letter R which have same number before and after it.

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