📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

     In a group of 100 people, 70 like coffee, 50 like tea,

    and 30 like both coffee and tea. How many people in the group do not like either coffee or tea?
    B 10 Correct Answer Incorrect Answer
    C 20 Correct Answer Incorrect Answer
    D 30 Correct Answer Incorrect Answer

    Solution

    Explanation: Using the principle of inclusion-exclusion, the number of people who like either coffee or tea is 70 + 50 - 30 = 90. Therefore, 10 people do not like either.

    Practice Next

    Relevant for Exams:

    ask-question