Exercise -2.2 Complete Detailed Solutions | Class 10 | Yellapu Gyan Sagar

Ch-1 Sets
1. If A = {1, 2, 3, 4} and B = {1, 2, 3, 5, 6}, then find A ∩ B and B ∩ A. Are they equal?
2. If A = {0, 2, 4}, find A ∩Φ and A ∩ A. What did you notice from the result?
3. If A = {2, 4, 6, 8, 10} and B = {3, 6, 9, 12, 15}, find A - B and B - A.
4. If A and B are two sets such that A ⊂ B then what is A ∪ B? Explain by giving an example.
5. A is natural no. B is even natural no. C is odd natural no. D is prime no. Find A ∩ B, A ∩ C ....
6. If A = {3, 6, 9, 12, 15, 18, 21} B = {4, 8, 12, 16, 20} C = {2, 4, 6, 8, 10, 12, 14, 16} D = {5, 10, 15, 20}
find (i) A - B (ii) A - C (iii) A - D (iv) B - A (v) C - A (vi) D - A (vii) B - C (viii) B - D (ix) C - B (x) D - B
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