Quote:
Since the national postal service in country X was privatized six months ago, delays in the delivery of mail have increased by 20 percent. To combat this problem, more sorting and delivering staff must be hired in the busiest regions of the country.
Which of the following, if true, casts the most doubt on the effectiveness of the solution proposed above
A. The major causes of delays in the nation's busiest regions are bad weather and antiquated sorting equipment.
B. Since privatization began, the number of employees has increased by 25 percent.
C. Over 60 percent of the postal budget goes to pay salaries.
D. After a small post sorting facility doubled its staff, the number of delays that were reported decreased by 50 percent.
E. Since privatization, the average length of delay in the nation's busiest regions has doubled.
The arguments suggests that delays in delivery can be tackled by adding more sorting and delivering staff in the busiest regions of the country. So, any option that weakens this hypothesis will be the correct answer.
A. Correct. This options blames bad weather and sorting equipment for the problem in busiest regions, suggesting that adding more sorting and delivering staff may not make a difference to the problem.
B. Wrong. No information on what these new employees were hired to do or in which region they were employed.
C. Wrong. The argument is concerned with delivery process and not expenses.
D. Wrong. This option strengthens the argument.
E. Wrong. This information has no impact on the argument.