In a hostel, $25$ sudents take tea, $20$ students take coffee, $15$ students take milk, $10$ students take both tea and coffee, $8$ students take both coffee and milk. None of them take tea and milk both and everyone takes at least one beverage. Find the number of students in the hostel.

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Solution

From the diagram,
Total number of students in the hostel $= 2 + 8 + 10 + 7 + 15 = 42$

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In a hostel, 25 sudents take tea, 20 students take coffee, 15 students take milk, 10 students take both tea and coffee, 8 students take both coffee and milk. None of them take tea and milk both and everyone takes at least one beverage. Find the number of students in the hostel.

From the diagram,Total number of students in the hostel =2+8+10+7+15=42

In a hostel, $25$ sudents take tea, $20$ students take coffee, $15$ students take milk, $10$ students take both tea and coffee, $8$ students take both coffee and milk. None of them take tea and milk both and everyone takes at least one beverage. Find the number of students in the hostel.

From the diagram,
Total number of students in the hostel $= 2 + 8 + 10 + 7 + 15 = 42$