Correct option is D
Logic is +1, -1 alternation for each letter.
GROWTH → HQPVUG
G → H (+1), R → Q (-1), O → P (+1), W → V (-1), T → U (+1), H → G (-1)
Similarly,
PROBLEMS → QQPAMDNR
P → Q (+1), R → Q (-1), O → P (+1), B → A (-1), L → M (+1), E → D (-1), M → N (+1), S → R (-1)
Thus, PROBLEMS is written as QQPAMDNR.
Correct answer: (d) QQPAMDNR.