Yann writes down the first n consecutive positive integers, 1, 2, 3, 4, . . . , n − 1, n. He removes four different integers p, q, r, s from the list. At least three of p, q, r, s are consecutive and 100 < p < q < r < s. The average of the integers remaining in the list is 89.5625. The number of possible values of s is (

A) 30 (B) 32 (C) 28 (D) 24 (E) 26

Answer rating: 100% (QA)

Since The average of the remaining n4 integers is 895625 89 916 Implies n4 is a multiple of 16 The s... View the full answer