67, 70, 74, 77, 81, 84, ?A87B88C86D89Answer: B. 88 Read Explanation: 67 + 3 = 70 70 + 4 = 74 74 + 3 = 77 77 + 4 = 81 81 + 3 = 84 84 + 4 = 88Read more in App