Simply do the subtraction,
Method/Formula :
= Total scored marks - Total correct answers = Total questions attempted incorrectly.
= 30 - 16 = 14
∴ 14 questions she has attempted incorrectly.
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Answers & Comments
Simply do the subtraction,
Method/Formula :
= Total scored marks - Total correct answers = Total questions attempted incorrectly.
= 30 - 16 = 14
∴ 14 questions she has attempted incorrectly.