EXERCISE 1.3
In a competitive examination, 5 marks are awarded for each correct answer, 2 marks are deducted
for each incorrect answer and no marks are given for a question which is not attempted. Answer
the following questions.
(a) Nishi appeared in the examination and attempted 12 questions correctly and 5 questions
incorrectly. However she did not attempt 3 questions. What will be her score?
(b) Rohan attempted 7 questions correctly and 9 questions incorrectly. He did not attempt
4 questions. What will be his score?
Answers
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In a competitive examination
Each correct answer awarded 5 marks
Each incorrect answer deducted means subtract 2 marks
Each unattempted has no marks.
(a) Nishi appeared in the examination and attempted 12 questions correctly and 5 questions
incorrectly. However she did not attempt 3 questions. What will be her score?
Answer:
No of questions attempted is 17 .
correctly answered are 12 =12×5=60marks
incorrectly answered are 5=5×2=10m
Total marks=60-10=50marks
(b) Rohan attempted 7 questions correctly and 9 questions incorrectly. He did not attempt
4 questions. What will be his score?
Answer:
No of questions attempted is 16
unattempted is 4
Correctly answered are 7=7×5=35marks
incorrect answered are 9=9×2=18marks
Total marks are =35-18=17marks
Total marks got by Nishi is "50marks".
Total marks got by Rohan is"17marks".
Nishi got highest marks in competitive examination.
please mark as Brainliest
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