Question

6. In Mohan's class, there are 30 students.
20 students are good at maths, 18 students
are good at history and 12 students are good
at both the subjects.
Draw a Venn diagram and using that find
the following:
a. Number of students good at maths only
b. Number of students good at history only
c. Number of students good at at least one
subject
d. Number of students good at neither of two
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Answer 1

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