another problem

**snail** · May 18th, 2001, 10:06 PM

for mel blanc hank and whoever else wants to try:

Each of seven travelers---Norris, Oribe, paulsen, rosen semonelli, Tan and Underwood--will be assigned to exactly one of nine airplane seats. The seats are numbered from 1 through 9 and arranged in rows an follows:

Front row: 1 2 3
Middle row: 4 5 6
Last row: 7 8 9

Only seats in the same row as each other are immediately beside each other. Seat assignments must meet the following conditions:

Oribe's seat is in the last row.

Paulsen's seat is immediately beside Rosen's seat and also immediately beside an unassigned seat.

Rosen's seat is in the row immediately behind the row in which Norris' seat is located.

Neither Semonelli nor Underwood is seated immediately beside Norris.

1) which one of the following is a pair of travelers who could be assigned to seats 2 and 8 respectively?
A) Norris, semonelli
B) Oribe, Underwood
C) Paulsen, Oribe
D) Rosen, Semonelli
E) Underwood, Tan

2) If semonelli and Underwood are not assigned to seats in the same row as each other, which one of the following must be false?

a)norris is assigned to seat 2
b)paulsen is assigned to seat 5.
c)Rosen is assigned to seat 4.
d) Tan is assigned to seat 2
e) Underwood is assigned to seat 1.

3)If Semonelli is assigned to a seat in the same row as Underwood which one of the following travelers could be assigned to a seat immediately beside one of teh unassigned seats?

a) oribe
b) Rosen
C) Semonelli
d) Tan
e) Underwood

4) If the seat to which Tan is assigned is immediately beside a seat assigned to another traveler and also immediately beside one of the unassigned seats, which one of the following must be true?

a) tan is assigned to a seat in the front row.
b) Tan is assigned to a seat in the last row
c) Oribe is assigned to a seat immediately beside SEmonelli
d) Oribe is assigned to a seat immediately beside Tan
e) semonelli is assigned to a seat immediately beside underwood