Questions 13 and 14 refer to the following information.
Sam has seven books in a row on a shelf above his desk. Exactly three of the books are history books. Each history book is
separated from the next history book by at least one math book. An English book and a social studies book are directly next
to each other on the shelf, and neither one is next to a math book. The seven books are numbered 1 through 7 from left to
right.
(F) All of Dan’s and Sonya’s grandchildren are female.
(G) Tara has no children.
(H) Tara sometimes babysits for Betty’s children.
(J) Betty has three children.
(K) Sonya has at least one grandson.
13. If Book 1 is a social studies book, which of the following must be math books?
(A) books 3 and 4
(B) books 3 and 5
(C) books 4 and 6
(D) books 5 and 6
(E) books 5 and 7
14. Book 3 must be on which subject?
(F) history
(G) math
(H) English
(J) social studies
(K) Cannot be determined from the information given.
The plane took off from the runway at 6 PM as scheduled. Tom arrived at the airport at five minutes past 6 PM.
Based only on the information above, which of the following statements is a valid conclusion?
15.
