13.
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?
Answers
Answered by
2
since for every correct ans
4 marks are awarded and gor every wrong answer one mark is deducted
(180-x)
there fore he attempted 126 answer correctly
Answered by
0
Answer:
126 questions
Step-by-step explanation:
Total questions answered by him is 126
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