In a class test containing 15 questions, 4 marks are given for every correct answer and -2 marks are given for every incorrect answer.
(a) Teena attempts all questions, but only 10 of her answers are incorrect. What is her total score?
(b) One of her friends scores -4 marks in the test though she has got 8 correct answers. How many questions has she attempted incorrectly?
In a class test containing 15 questions, 4 marks are given for every correct answer and -2 marks are given for every incorrect answer.
(a) Teena attempts all questions, but only 10 of her answers are incorrect. What is her total score?
(b) One of her friends scores -4 marks in the test though she has got 8 correct answers. How many questions has she attempted incorrectly?
Harshit Singh , 4 Years ago
Grade 12th pass
