Which of the following terms will replace the question mark (?) in the given series?

NDJP, PBMM, RZPJ, ?, VVVD​​

Given series: NDJP, PBMM, RZPJ, ?, VVVD

Logic: +2, -2, +3, -3 for each corresponding position in the letters of the words.

N + 2 → P

P + 2 → R

R + 2 → T

T + 2 → V

D - 2 → B

B - 2 → Z

Z - 2 → X​

​X - 2 → V

3rd letter: 

J + 3 → M

M + 3 → P

P + 3 → S

S + 3 → V

4th letter: 

P - 3 → M

M - 3 → J

J - 3 → G

G - 3 → D

The missing term is TXSG.

Thus, correct option is (c).