10. Diya appeared in a competitive exam containing 100 question in which marka se gren for
every correct answer, 1 mark is deducted for each incorrect answer and marks are awarded
for unattempted questions,
(a) Find Diya's score if she did not attempt 16 questions and got 70 correct 14 incorrect answer.
(b) If rank secured at 200 marks is 500, will she be ranked above or below 500
Answers
Answer:
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Step-by-step explanation:
(a) 70-16+14= 70-30=40 marks
(b) She nor be above and neither below because on securing 200 marks she is on 500th rank so, she will be ranked 500 only.
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Answer:
(a)
Total attempted questions = correct + incorrect = 70 + 14 = 84
Total unattempted questions = 16
Since marks are awarded for unattempted questions, we need to know how many marks are awarded for each unattempted question. Let's assume that each unattempted question carries 0.5 marks.
Total marks earned for attempted questions = 70 - 14/2 = 63 marks
Total marks earned for unattempted questions = 16 * 0.5 = 8 marks
Total marks = 63 + 8 = 71 marks
Therefore, Diya's score is 71 marks.
(b)
We don't know the maximum marks that can be obtained in the exam. Let's assume that the maximum marks that can be obtained in the exam is 100. In that case, Diya's score of 71 marks corresponds to a percentage score of 71%.
To determine whether Diya's rank is above or below 500, we need to know the total number of candidates who appeared for the exam and their scores. If there are more than 500 candidates who scored higher than Diya, her rank will be below 500. If there are fewer than 500 candidates who scored higher than Diya, her rank will be above 500.
Without more information about the scores of other candidates, we cannot determine whether Diya's rank will be above or below 500.