IBPS SO Prelims Exam Model Paper 8

P → 16, A → 1, O → 15, K → 11, E → 5, C → 3 (Position of the letter in alphabetical series)
Similarly,
G → 7, G → 7, L → 12, S → 19, O → 15, E → 5 (Position of the letter in alphabetical series)
Hence the correct answer is 7157712519.