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CBSE Class 12 Math 2020 Outside Delhi Set 1 Solved Paper
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Q. Nos. 27 to 32 carry 4 marks each.
Section - C
Q. Nos. 27 to 32 carry 4 marks each.
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Question : 27 of 36
Marks:
+1,
-0
Prove that the relation R on Z , defined by R { ( x , y ) : ( x − y ) is divisible by 5} is an equivalence relation.
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