Directions: Study the following information carefully and answer the questions that follow.

Eight people Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8 are living on an eight floored building (The ground floor is numbered 1 above is number 2 and so on the topmost floor is numbered 8) but not necessarily in the same order. Z4 lives on an odd-numbered floor but above the 4^th floor. Two persons live between Z4 and Z3.  Z7 lives on the odd-numbered floor but not on the bottom floor. There is one person living between Z3 and Z1, who lives just below Z5. Total number of persons living between Z6 and Z2 is the same as the total number of persons living between Z6 and Z1.