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Q.

The number of subsets of a set of order three is ____.


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Detailed Solution

S= Question ImageTo write the subsets of this set, we start with subsets of single order: Question ImageQuestion Image
Subsets of order two: Question Image
We know that every set is a subset of itself and also null set is a subset of every set so the rest of the subsets are Question Image
By adding all the subsets we get eight. Therefore the total number of subsets would be eight.
So, the correct option is 3.
 
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