Question:medium
How many odd digits are there in the following series of digits, each of which is immediately preceded by an even digit, but not immediately followed by an odd digit?
7 2 8 9 1 3 4 5 7 5 8 9 6 9 1 8 2 4 9 2 6
How many odd digits are there in the following series of digits, each of which is immediately preceded by an even digit, but not immediately followed by an odd digit?
7 2 8 9 1 3 4 5 7 5 8 9 6 9 1 8 2 4 9 2 6
7 2 8 9 1 3 4 5 7 5 8 9 6 9 1 8 2 4 9 2 6
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Mark the "target" (odd numbers) first, then check the neighbor conditions to avoid missing any in a long string.
Updated On: Apr 1, 2026
- 1
- 2
- 4
- 3
- 5
Show Solution
The Correct Option is D
Solution and Explanation
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