Mathematics · Set Theory
There are 'n' students in a class. The class is divided into two groups 'a' and 'b'. Both the groups have 'x' students in common and the number of students who do not belong to either group is 'p'. Find the total number of students 'n'.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a + b - x - p
- 2a + b - x + p✓
- 3a + b + x + p
- 4a + b + x - p
Correct answer
a + b - x + p
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