Question
In a group of 15, 7 have studied German, 8 have studied French and 3 have not studied either. The Venn diagram showing the number of students who have studied both is :
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Text solutionVerified
(b) No of students in the group who have
studied either or both the languages i.e.,
n = 15 - 3 = 12
Given n(G) = 7, n(F) = 8 Now we have to find
the number of students who have studied both
i.e.,n
n(G) + n(F) = n +n
7 + 8 = 12 n
(b) is the best suited Venn diagram
studied either or both the languages i.e.,
n = 15 - 3 = 12
Given n(G) = 7, n(F) = 8 Now we have to find
the number of students who have studied both
i.e.,n
n(G) + n(F) = n +n
7 + 8 = 12 n
(b) is the best suited Venn diagram
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Question 2
In a class of 200 students who appeared certain examinations. 35 students failed in MHT-CET. 40 in AIEEE and 40 in IIT entrance. 20 failed in MHT-CET and AIEEE. 17 in AIEEE and IIT entrance. 15 in MHT-CET and IIT entrance and 5 failed in all three examinations. Find how many students.(i) did not fail in any examination.
(ii) failed in AIEEE or IIT entrance.
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Question Text | In a group of 15, 7 have studied German, 8 have studied French and 3 have not studied either. The Venn diagram showing the number of students who have studied both is : |
Answer Type | Text solution:1 |
Upvotes | 150 |