Anusha Tripathi
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to Savvier
Let S={1,2,3,4,5,6,.........,360,361}.
Starting with 1, every second no of S is selected to form a set A,
every 3rd no of S is selected to form a set B,
every 4th no of S is selected to form a set C,
every 5th no of S is selected to form a set D.
The nos which are not selected to form any of A,B,C,D are put together
to form set Y.
What is the sum of nos of set Y?