5. In a test +5 marks are given for every correct answer and (-3) marks are given for every incorrect answer. Out of 20 questions Arun attempted all questions and did 15 questions correctly. What is the score of Arun?
plz ans
who will and I will give stars
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Answer:
15 x 5 = 75
Step-by-step explanation:
15 x 5=75 ---(1)
-3x5 =-15 -----(2)
20x 5 = 100 ----(3)
100-15= 85
im puzzled
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