For any two subsets X and Y of a set A, define X o Y = (Xc ∩Y) ∪ (X ∩YC). Then for any three subsets X, Y, Z of the set A is
X o ( Y o Z ) = ( X o Y ) o Z
| A. | True |
| B. | False |
| C. | |
| D. | |
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Option: A Explanation : Click on Discuss to view users comments. |
If relation R is defined on N by R = ((a, b): a divides b; a, b ∈N). Then R is
| A. | relexive |
| B. | symmetric |
| C. | transitive |
| D. | none of these |
|
Option: C Explanation : Click on Discuss to view users comments. |
Relation R is defined on the set N as f(a,b): a, b are both odd), is
| A. | relexive |
| B. | symmetric |
| C. | transitive |
| D. | none of these |
|
Option: D Explanation : Click on Discuss to view users comments. |
