SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Logical Reasoning Ordering and Ranking Rank Based
In a row of boys, if A, who is 10th from the left and B, who is 9th from the right, interchange their positions, then A becomes 15th from the left. How many boys are there in the row?
1
23
2
31
3
27
4
28