15. In a class test containing 10 questions, 5 marks are awarded for every correct answer and
(-2) marks are awarded for every incorrect answer and 0 for each question not attempted.
a) Manu gets 6 correct and 4 incorrect answers, what is his score.
b) Jacob gets 5 correct and 3 incorrect answers and 2 questions he did not attempt, what is his
score?
Answers
Step-by-step explanation:
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Answer:
a) sol.
marks for correct answers = 6×5
= 30
marks for incorrect answers = 4×-2
= -8
manu score in class test = 30-8
= 22 marks
b) sol.
marks for correct answers = 5×5
= 25
marks for incorrect answers = 3×-2
= -6
marks for not attempted = 2×0
= 0
Jacob total score in test = 25-6-0
= 19-0
= 19 marks
Step-by-step explanation:
therefore,
manu got 22 marks and Jacob got 19 marks