Reasoning • Order & RankingHard
In a row, B is 3rd from the left end and N is 23rd from the right end. When B and N interchange their positions, B becomes 17th from the left end. How many people are there in the row?
A. 39✓ Correct Answer
B. 37
C. 40
D. 25
💡 Solution & Explanation
After the swap, B stands where N stood. So N's old place is 17th from the left and 23rd from the right. Total = 17 + 23 − 1 = 39.
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