Question

ᏢᏞᎬᎪՏᎬ Ꭰϴ ᏆͲ!!
Chapter :- Sets.

In a survey of 150 students, it was found that 50 students studied maths, 50 studied physics and 50 studied chemistry, 10 studied all the three subjects, 34 studied physics and maths, 22 studied chemistry and maths and 20 studied physics and chemistry. Use Venn diagram to find the number of students studied only maths and the number of students who studied none of these subjects.
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Answer 1

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