a 1) In a hostel there are 135 students, out of which 90 drink tea, 70 drink coffee and 30 drink tea and coffee both. Find the number of students who do not drink tea or coffee.
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Step-by-step explanation:
Drink tea - 90
Drink coffee - 70
Drink both tea and coffee - 30
Total students drink these things - 90+70+30
= 190
This is wrong question.
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