Tài liệu Test Gmat

Question 1
It takes Eric 20 minutes to inspect a car. John only needs 18 minutes to inspect a car. If they both start inspecting cars at 8:00 A.M., what is the first time they will finish inspecting a car at the same time?
(A) 9:30 A.M.
(B) 9:42 A.M.
(C) 10:00 A.M.
(D) 11:00 A.M.
(E) 2:00 P.M.
Question 2
If k is an integer and 0.0010101 ´ 10[SUP]k[/SUP] is greater than 1,000, what is the least possible value of k?
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6