Question

SET THEORY
Example 13. Out of 1000 students who appeared in CA Intermediate Examination, 150
filed in Maths, 600 failed in Costing: 450 failed in Maths and Accounts; 400 failed in
aths and Costing : 150 failed in both Accounts and Costing. The students who failed
three subjects were 75. Prove that the above dua is not correct
PT.1.2017
sol. Let A, B and C denotes the set of students who failed in Maths, Accounts am
n(A) = 750, n(B) = 600, n(C)-600
n(ANB) = 450, n(ANC)-400, n(BOC)= 150​

Answer 1

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Step-by-step explanation:

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