One free LSAT-style logical reasoning question a day. No timer. Pick an answer to check yourself, then read the explanation.
Weaken question · #111 of 120
A grocery manager says the new checkout display slowed the lines, since complaints about slow lines tripled the week the display went up.
Which one of the following, if true, most seriously weakens the manager’s claim?
Show explanation
A single open line run by a first-day trainee explains a week of complaints without the display doing anything. Weekend volume and fruit prices never speak to why the lines were slow.