Find out the wrong term in the series :G4T, J10R, M20P, P43N, S90L
J10R
The first letter of each term is moved three steps forward and the last letter is moved two steps backward to obatin the corresponding letters of the next term. The numbers follow the sequence 4x2 +1 → 9x2 +2 → 20x2 +3 → 43x2 +4