# Sets

**Sample question:** In a class of 40 students, 30 of them read Chemistry and 20 read Physics. What is the probability that a student chosen at random in the class read
both Chemistry and Physics?

**Guide:**

- Review the concept of Sets in your textbook.
- Download the file below and practice problem solving.

*Don’t forget to do step 1*

File | Scope | |
---|---|---|

Sets | Objective and Subjective Tests | Download |