Correct Answer: (c) (83, 78, 77)
Solution:Logic :- (a, b, c) Where a - b = The difference of digits of a and b - c = The difference of digits of b.
(92, 85, 82) ⇒ (92 - 85 = 7 = 9 - 2) and (85 - 82 = 3 = 8 - 5)
Similarly (83, 78, 77) ⇒ (83 - 78 = 5 = 8 - 3) and (78 - 77 = 1 = 8 - 7)