In a flower bed, there are 23 rose plant in first row, 21 in 2nd row, 19 in 3rd row and so on. There are 5 rose plants in last row. How many rows are there in the flower bed?
Subject: Reasoning and Math
Options:
- Option A: 10
- Option B: 8
- Option C: 11
- Option D: 9
Correct Answer:
Option C: 11
Explanation:
Step-by-step logical mathematical derivation yields option (C).