What comes next?
B25, Y2, C24, X3, ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. D23.
Given series: B25, Y2, C24, X3, ?
B ⇔ 25 (Y), Y ⇔ 2 (B), C ⇔ 24 (X), X ⇔ 3 (C), D ⇔ 23 (W)
B + 1 = C, C + 1 = D; Y - 1= X
25 - 1 = 24, 24 - 1 = 23; 2 + 1 = 3