T4W7 TS Q12 – Selective High School

A study of high school students was conducted to measure their intelligence (IQ points) based on the subject they are studying. These were the results:

All maths students had a higher IQ than all of the English students.
All of the English students had a higher IQ than most of the physics students.
The best physics students had a higher IQ than the best maths students.

Which of the following can be concluded from the above information?

The average IQ score of English students was higher than those in other groups. Maths students had the lowest IQ scores in all subjects. The range of IQ scores amongst the physics students was less than the English students. The range of IQ scores amongst the physics students was the greatest among the other groups.

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Which of the following can be concluded from the above information?