Open Sets Quizzes, Questions & Answers

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Real Analysis True/False Quiz: Open Sets, Closed Sets

Hello guys, its Parveen Chhikara.There are 10 True/False questions here on the topics of Open Sets/Closed Sets. Hope this quiz analyses the performance "accurately" in some sense. Best of luck!!! Parveen...

Questions: 10 | Attempts: 2444 | Last updated: Aug 10, 2025

Sample Question 1
There exists a nonempty set with no interior point and no isolated point exists.

True

False

Sample Question 2
A nonempty set with no isolated point must be a closed set.

True

False

Sample Question 3
The open interval (0, 1) can be expressed as a union of closed sets.

True

False