Question

1) In a School hostel, there are 100 students out of which 60 drink tea, 50 drink coffee
and 30 drink both tea and coffee, Find the number of drinking tea or coffee or both
students step by step​

Answer 1

Step-by-step explanation:

Number of students drink tea = 60

Number of students drink coffee = 50

and, 30 students drink both

Number of both students = 60+50-30

= 80

Number of total students in school = 100

therefore, the percentage is 80%

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