Math, asked by wadhwamanveer65, 1 month ago

Q11. In a test +3 marks are given for every correct answer and -1 mark for every incorrect answer. Sona attempted all the questions and scored + 20 marks though she got 10 correct answers. a) How many incorrect answers has she attempted? b) How many questions were given in the test? c) How many correct answers should she attempt in order to score 28 marks?

Answers

Answered by anumolukeshav

1

Answer:

a) 10 b) 20 c) 16

Step-by-step explanation:

this is the answer

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