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Symbiosis National Aptitude Test SNAP 2019 Paper
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© examsnet.com
Question : 71
Total: 110
Out of 80 students in a class, 25 are studying commerce, 15 mathematics and 13 physics. 3 are studying commerce and mathematics, 4 are studying mathematics and physics and 2 are studying commerce and physics. 1 student is studying all the three subjects together. How many students are not studying any of the three subjects?
Your Answer:
Validate
Solution:
Total students = 80
Commerce students = 25
Mathematics students = 15
Physics students = 13
We can draw the venn diagram as follows
Total students studying at least one subject
= 21 + 1 + 2 + 1 + 9 + 3 + 8 = 45
Students who are not studying any of three subjects
= 80 – 45 = 35
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