Correct option is D
Logic: The difference in the first = 2, In the second = 3 and in the third = 4
11 + 2 = 13, 13 + 2 = 15, 15 + 2 = 17…….
34 + 3 = 37, 37 + 3 = 40, 40 + 3 = 43……..
Similarly,
69 + 4 = 73, 73 + 4 = 77, 77 + 4 = 81, 81 + 4 = 85……….
Thus, the correct answer is (d) 81.







