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Mathematics, 08.10.2020 07:01, aylin5044
. In a survey of 25 students, it was found that 15 had taken mathematics, 12 had taken physics and 11 had taken chemistry, 5 had taken mathematics and chemistry, 9 had taken mathematics and physics, 4 had taken physics and chemistry and 3 had taken all the three subjects. Find the number of students that had (i) at least one of the three subjects (ii) only chemistry (iii) physics and mathematics but not chemistry. Using venn diagram
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. In a survey of 25 students, it was found that 15 had taken mathematics, 12 had taken physics and 1...
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