In a test of x questions , y(<x) answers are correct. Assuming all questions were answered, the number of incorrect answers are

y-x

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x-y

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Solution

The correct option is B x-y
Total number of questions answered = correct + incorrect

x = y +incorrect answers

$\Rightarrow$ incorrect answers = x-y

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In a test of x questions , y(<x) answers are correct. Assuming all questions were answered, the number of incorrect answers are

The correct option is B x-yTotal number of questions answered = correct + incorrect x = y +incorrect answers ⇒ incorrect answers = x-y

The correct option is B x-y
Total number of questions answered = correct + incorrect

x = y +incorrect answers

$\Rightarrow$ incorrect answers = x-y