Question

In a survey of 350 students in a school, 120 students are interested in Mathematics and 140 students are
interested in Commerce. If 75 students are interested in both the subjects, then find how many students are
interested in (i) at least one subject
(ii) exactly in one subject
(iii) none of the subjects.​

Answer 1

Answer:

15 students are interested in one subject..15 is secon answer......15 ans.of third also

Answer 2

Step-by-step explanation:

You can draw three circles as a Venn diagram,

1)350-(120+140+75)=15 students are not interested in any subject

Like this , you can answer

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