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With A holding 1 to 6 and B holding 2, 4, 6 and 8, the set A minus B is:
A1 to 8
B1, 3, 5
C2, 4, 6
D8 alone
Answer & Solution
Correct answer: B. 1, 3, 5
1. Keep what is in A but not in B.
2. 2, 4 and 6 are shared, so they go.
3. What remains is 1, 3, 5.
_Source: NCERT Class 11 Mathematics, Chapter 1, Sets._
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