With respect to Quality and Grade, which of the following is not true?

I agree with the answer D thanks

The right answer is:

D. A high quality product cannot be low grade

The experts has already an answer

D. A high quality product cannot be low grade

Option D is definitely correct answer.

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Option D.

 Thanks for invite

Yes, OptionD is the apt answer, because High quality product shall be low grade also.

D. A high quality product cannot be low grade is the most suitable answer.

Option C. A product can be low grade but high quality

D' is the correct answer, Quality and grade are linked, it can be high qulaity but the grade should be always acceptible