The venn diagram below shows the number of students who studied Physics, Chemistry, and Mathematics in a certain school. How many students took at least two of the three subjects?

The venn diagram below shows the number of students who studied Physics, Chemistry, and Mathematics in a certain school. How many students took at least two of the three subjects?

A 165
B 160
C 155
D 135
E 85

waec 1989 mathematics

The correct answer is B. 160

At least 2 subjects = 30 + 45 + 75 + 10 = 160 students

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