In a test, (+5) marks are given for every correct answer and (-2) marks
are given for every incorrect answer. Rosy attempted all the questions and
scored (+65) marks though she got 15 correct answers. How many incorrect
answers did she get?
Answers
Answered by
10
Answer:
30 answers she did incorrect.
Step-by-step explanation:
Given,
(+5) marks for every correct answer.
(-2) marks for every incorrect answer.
Rosy attempted all the questions.
She scored (+65) marks.
She did 15 answers correct.
Need to find
Incorrect answers she did?
Solution
15 correct answers = 15 X 5
= 125 marks
Total marks she got = 65 marks
Marks for for Incorrect answers she did
= 125 - 65
= 60
Incorrect answers she did = 60/2
= 30
Therefore, incorrect answers she did was 30 answers.
Hope it helps
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