& is divisible by 3. then the number of elements in the set S=?
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Originally Posted by adhyeta & is divisible by 3. then the number of elements in the set S=? Hi adhyeta. Let Then there are four possibilities for to be divisible by 3: (a) There are choices for this. (b) There are choices here. (c) Also 27 choices here. (d) belong to different Here there are choices. So the total number of elements in is
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