Math, asked by kiyoshiduttapatra, 2 months ago

In a test, +3 marks are given for every correct answer and -1 mark is
given for every incorrect answer. Sona attempted all the questions and
scored + 20 marks though she got 10 correct answers.
a) How many incorrect answers had she attempted?

Answers

Answered by YourDeathHere
12

Answer:

10

Step-by-step explanation:

3*10=30

30-20=10

10/1=10

Sure

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