Question

In a test, each correct answer carry + 3 marks and incorrect answer -1 mark. Sona attemptedall the questions and scored +20 marks though she got 10 correct answers. 1) How many incorrect answers did she attempt? ii) How many questions were given in the test?​

Answer 1

Answer:

1) 0

2)10

Step-by-step explanation:

Plz mark me as brainlist...

Answer 2

Answer:

a)10answer is incorrect

b)20 question

Step-by-step explanation:

a)if her attempted 10 so 30 and her mark is 20

,so that mean 10 in incorrect answer -1

10answer

b)10+10=20