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Ambiguity on "None of the above"

 
Greenhorn
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I was doing the practise exam on
http://www.danchisholm.net/sept27/topic/section4/interfaces1.html
and I encounter a question asking....
2 Which of the following statements is not true?
a. An interface that is declared within the body of a class or
interface is known as a nested interface.
b. A constant can be a member of an interface.
c. A class declaration can be a member of an interface.
d. A class that implements an interface must implement all of
the methods declared within the interface.
e. None of the above.
the sugguested answer is D.
I was thinking, if any of a,b,c,d is false, then answer E will automatically become false !
Does questions like this appear on the real exam often? and if they do appear, should I check both answer D & E? or should i just check answer D just like this practise exam suggested??
 
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Ian -
Cool question!
On the real exam you won't see the word NOT in the question, so a question like:
Which is true? (choose one.)
a. blah
b. blah blah
c. blah blah blah
d. none of the above
Will never be ambiguous.
The 'not' 'none' combination is what causes the problem.
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