Questions 18-24

During a four-week period, cach of seven previously¹ unadvertised products-
G, H, J, K, L,
M, and O-will be advertised. A different pair of these products
will be advertised each week. Exactly one of the products will be a member of
two of these four pairs. The following constraints² must be observed:

J is not advertised during a given week unless H is advertised during the
immediately precceding week.

The product that is advertised during two of the weeks is advertised during
week 4 but is not advertised during week 3

G is not advertised during a given week unless either J or else O is also
advertised that week.

K is advertised during one of the first two weeks

O is one of the products advertised during week 3

18. Which one of the following could be the schedule of advertisernents?

(A) week 1: G, J; week 2: K, L; week 3: O, M; week 4: H, L
(B) week 1: H, K; week 2: J, G; week 3: O, L; week 4: M, K
(C) week 1: H, K; week 2: J, M; week 3: O, L; week 4: G, M
(D) week 1: H, L; week 2: J, M; week 3: O, G; week 4: K, L
(E) week 1: K, M; week 2: H, J; week 3: O, G; week 4: L, M

19. Which one of the following is a pair of products that CANNOT be advertised
during the same week as each other?

(A) H and k
(B) H and M
(C) J and O
(D) K and L
(E) L and M

20. Which one of the following must be advertised during week 2?

(A) G
(B) J
(C) K
(D) L
(E) M

21. Which one of the following CANNOT be the product that is advertised during
two of the weeks?

(A) G
(B) H
(C) K
(D) L
(E) M

22. If L is the product that is advertised during two of the weeks, which one
of the following is a product that must be advertised during one of the weeks
in which L is advertised

(A) G
(B) H
(C) J
(D) K
(E) M

23. Which one of the following is a product that could be advertised in any of
the four weeks?

(A) H
(B) J
(C) K
(D) L
(E) O

24. Which one of the following is a pair of products that could be advertised
during the same week as each other

(A) G and H
(B) H and J
(C) H and O
(D) K and O
(E) K and O
(F) M and O

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