in a test +5 mark given for every correct answer and -2 mark are given for every incorrect answer. Rahul answered all questions and scored 40 marks though he got 16 correct answer. how many incorrect answer he answered
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Answered by
3
Answer:
20 questions were answered incorrectly
Step-by-step explanation:
for 16 correct answers, the mark he got is 16 x 5 which is 80
as he scored only 40 then he lost another 40 marks on incorrect answers
so for each incorrect answer, 2 marks will be lost so he 20 answers were incorrect
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Answered by
0
Answer:
20 incorrect answers
Step-by-step explanation:
- +5 marks for each correct answer
- -2 marks for each incorrect answer
He got 80 marks because of his 16 correct answers. Then he lost 40 points, which means he gave 20 incorrect answers.
The number of incorrect answers were 20.
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