Question

20.In a class test containing 25 questions 5 marks are given for every correct answer and -2 marks are given for every incorrect answers. If Joseph attempts all questions but only 15 of his answers are correct what is his total score?​

Answer 1

Answer:

55 out of 125

Step-by-step explanation:

total marks = (marks of correct answers) -(marks for incorrect answers,)

No of correct answers is 15

hence, wrong answers is 25-15=10

$Total \: marks = (15 \times 5) - (10 \times 2) </p><p>= 75 - 20 \\ = 55$

Answer 2

Total marks scored by Joseph is 55