Question

In a class test, 4 marks are given for every correct answer and (−1) mark for every
incorrect answer. Vani attempted all the questions and scored +25 marks though she
got 7 correct answers.
i) How many incorrect answers has she attempted?
ii) How many questions were given in the test?
iii) If Rekha answers all questions in the same test and only 6 are correct, what is her
score?

Answer 1

Answer:

i) 3 7×4 -3=25

ii)10 7+3=10

iii) 20 6×4-4=20

Step-by-step explanation:

it is answer of your questions