Oxford Entrance Challenge 2 / 7
Weigh the Evidence
A headline says a factory’s defects “fell by 50%”. Defects fell from 2 per 1,000 items to 1 per 1,000. What is the absolute decrease per 1,000 items?
About this quiz
Words, numbers and logic traps. Start with the foundations, then work through arguments, evidence and multistep problems. Every clue you need is in the question.
The full challenge has ten short rounds of seven questions. See your score after each round, then finish to reveal your letter grade and PASS or FAIL. There is no timer.
How to play
- 1 Choose one of four answers. Read every condition carefully and work at your own pace.
- 2 Finish each short round to see your score and continue to the next topic. Individual answers stay hidden until the final review.
- 3 Score at least 56 out of 70 (80%) to pass. Finish to reveal your grade and the explanation for every question.
An independent quiz for fun, not an official Oxford exam or affiliated with the university.