Using friend operator function, following perfect set of operators may

1.	Using friend operator function, following perfect set of operators may not be overloaded.
A.	0
B.	<<, = = , [ ] , >>
C.	?, = , ( ) , ++
D.	None of these
Answer» B. <<, = = , [ ] , >>

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Using friend operator function, following perfect set of operators may not be overloaded.

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