Question Detail

MTH 101 MTH 101 Past Questions Objective Question
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Question

Find the number of students who take at least one subject if 50 take Math, 40 take Physics, and 10 take both.
Options
A 80
Correct Answer
B 90
C 100
D 70
Correct Answer

Option A is the correct answer.

Detailed Explanation

Using inclusion-exclusion: 50 + 40 − 10 = 80.

Hint

Use |A ∪ B| = |A| + |B| − |A ∩ B|.

Question Info

Course: MTH 101
Topic: MTH 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 471 of 696
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