in a class test paper contains 10 questions and for every correct answer 3 marks are awarded for every correct answer and -1 mark is for every incorrect answer and 0 for questions for not attempted
1 . gopi gets 5 correct answers and 5 incorrect answers . whats his score
2 . reshma gets 7 correct answers and 3 incorrect answers . whats her score
3 . rashmi gets 3 correct answers and 4 incirrect answers . qhats her score
Answers
Answered by
2
Answer:
1)10
2)18
3)11
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Answered by
1
Answer:
total question in the test = 10
Marks awarded for correct answer = +3
marks awarded for incorrect answer = -1
1. Marks awarded for 5 correct answer = 5×3=15
marks awarded for 5 in correct answer = 5 ×-1= -5
Gopi's score = 15+(-5)= 10
2. Marks awarded for 7 correct answer = 7×3=21
Marks awarded for 3 incorrect answer = 3×-1= -3
Reshma's score = 21+(-3)=18
3. Marks awarded for 3 correct answer =3×3=9
marks awarded for 4 incorrect answer = 4×-1= -4
Rashmi 's score = 9+(-4)=5
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