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What is IUnknown and what are its three parts?5
Q: What is IUnknown and what are its three parts?
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Answer :
Explanation :
IUnknown as an interface of a COM object. Every COM object has to support IUnknown, besides optionally adding other interfaces. IUnknown is made of QueryInterface, AddRef and Release.
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Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.