#26
If n is a positive integer that is less than 10, what is the value of n?
(1)n is the tenth digit in the decimal representation of 1/n.
(2)n is the hundredth digit in the decimal representation of 1/n.
答案是A
為何不是D. EACH statement ALONE is sufficient.呢?
#34
What is the median number of employees assigned per project for the projects at Company Z?
(1)25 percent of the projects at Company Z have 4 or more employees assigned to each project.
(2) 35 percent of the projects at Company Z have 2 or fewer employees assigned to each project.
答案是
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
why?? :)