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dalvyx [7]
3 years ago
5

In a group of 120 students,90 students study mathematics and 72 study science. if 10 of the student does not study any subject

Mathematics
1 answer:
barxatty [35]3 years ago
4 0

Answer:

Step-by-step explanation:

Total students = 120

Number of students studying Mathematics P(A) = 90

Number of students studying Science P(B) = 72

Number of students who doesn't study both subjects P(AUB)'= 10

1) Number of students studying atleast on subject = 120 -10 = 110

2) Number of students studying both math and science = (90 +72) -110

                     = 162 -110 = 52

3) Number of students studying only mathematics = 90 -52 = 38

4) Number of students studying only science = 72 -52 = 20

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