Question
Download Solution PDFRefer to the following series and answer the question (all numbers are single digit numbers only).
(Left) 5 6 9 7 4 5 3 7 8 3 4 2 1 5 7 9 8 1 2 3 4 3 6 2 1 5 7 (Right)
How many such odd digits are there each of which is immediately preceded by an even digit and also immediately followed by an odd digit?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven series: (Left) 5 6 9 7 4 5 3 7 8 3 4 2 1 5 7 9 8 1 2 3 4 3 6 2 1 5 7 (Right)
According to the question, such odd digit which are immediately preceded by an even digit and is immediately succeeded by an odd digit:
Required condition: Even digit - Odd digit - Odd digit
(Left) 5 6 9 7 4 5 3 7 8 3 4 2 1 5 7 9 8 1 2 3 4 3 6 2 1 5 7 (Right)
Thus, there are four such odd digit which are immediately preceded by an even digit and is immediately succeeded by an odd digit.
Hence, "Option 2" is the correct answer.
Last updated on Jul 16, 2025
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