Question

There are 180 multiple choice questions in a test. A candidate gets 4 marks for every correct answer, and for every un-attempted or wrongly answered questions one mark is deducted from the total score of correct answers. If a candidate scored 450 marks in the test how many questions did he answer correctly?
$\sqrt[ \frac{.15600 \frac{ \sqrt{yy \frac{ \frac{y) \sqrt{) {?}^{?} } }{?} }{?} } }{?} \times \frac{?}{?} \times \frac{?}{?} }{?} \times \frac{?}{?} ]{?}$
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Answer 1

Answer:

can't understand a pic might be helpful resend

Answer 2

Answer:

ans is 18839 plz make me brainliest