In a class test , 5 marks are given for each correct answer and -2 for each incorrect answer. Aaryav answered all the questions and scored 30 marks , though he got 10 correct answers. Find the number of questions Aaryav incorrectly.
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Answers
Answered by
23
Answer:
10
Step-by-step explanation:
let total no. of questions be 'x'
then given ten questions are correct so (x-10) question are incorrect so finally
we have 50+(x-10)×(-2) =30
and hence x = 20 which is total no.of questions so their are 10 incorrectly answered..!
Answered by
4
Answer:
it a wrong answer as you are not giving the answer with step-by - step explanation
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