In a test, +3 marks are given for every correct answer and -1 mark are given for every incorrect answer. Sona attempted all the questions and scored +20 marks, though she got 10 correct answers.
(i) How many incorrect answers has she attempted?
(ii) How many questions were given in the test? , Explain with work
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1
Answer:
what is the total no. of the question btao aur fir main aapko iska answer deta hu ok sister
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0
Answer:
1) incorrect answers=10
Total questions in the test =20
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