in a class test containing 15 questions for marks are given for every correct answers and minus 2 marks are given for every for every incorrect answers
a) one of her friend is -4 marks in this marks in the test ,through she has got 8 correct answers. how many questions has she attempted incorrectly
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Answered by
1
Answer:
Marks given for one correct answer =4
So, marks given for 9 correct answers are
=4 X 9 = 36
Marks given for one incorrect answer
=-2
So, marks given for 6=(15-9) incorrect answers
= (-2) X 6 =-12
Therefore, Gurpreet's total score is
= 36 - 12 = 24
Answered by
3
Answer:
2 questions wrong
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