in a class test containing 15 question 4 are awarded for every correct answer and-2 is awarded for every incorrect answer 1. gurpreet attempts all question but not only 9 of his answer are correct what his his total score ?2. one of his friends get only 5 answer correct . what will be her score?
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Answer:
GURPREET = 24
HIS FRIEND = 0
Step-by-step explanation:
No. of questions = 15
Marks for correct answer = 4
Marks for incorrect answer = -2
1. Gurpreet attempted all questions.
He got ? correct answers = 9
His incorrect answers = 15 - 9 => 6
Marks for correct answers = 9 * 4 => 36 marks
Marks for incorrect answers = 6 * -2 => -12 marks
His total marks = 36 - 12 => 24 marks
2. His friend attempted all questions.
He got ? correct answers = 5
His incorrect answers = 15 - 5 => 10
Marks for correct answers = 5 * 4 => 20 marks
Marks for incorrect answers = 10 * -2 => -20 marks
His total marks = 20 - 20 => 0 marks
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Answer:
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