What comes in place of the question mark(?) in the series given below? B2D, C3F, E5J, G7N, ?, M13Z |
I9R K11Z K9W K11V |
K11V |
The middle numeric values are subsequent prime numbers. So, next number is 11. First alphabet is the alphabet at corresponding numeric value of the number in the centre, so next alphabet is K that is at 11th position. The last alphabet is the addition of numeric value of alphabet added to the middle number, that is 11+11 = 22 thus the alphabet is V. The correct answer is Option (4) → K11V |