Question Detail

MTH 101 Set Theory Objective Question
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Question

In a set of 60 students, 25 study Chemistry, 30 study Physics, 10 study both. How many study Chemistry or Physics?
Options
A 45
Correct Answer
B 55
C 40
D 50
Correct Answer

Option A is the correct answer.

Detailed Explanation

n(C ∪ P) = 25 + 30 − 10 = 45.

Hint

Use formula: n(A ∪ B) = n(A) + n(B) − n(A ∩ B).

Question Info

Course: MTH 101
Topic: Set Theory
Type: Objective
Difficulty: Not specified
Question 15 of 696
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