Q1:Number of students Answered Correctly = 21Number of students Answered Wrongly = 17Number of students Answered Wrongly = 6∴ number of students = 21 + 17 + 6 = 44Similary, for Q2 and Q3 sum will be 45For 1st question total MARKS OBTAINED = 2 × 21 = 42For 2nd question total marks obtained = 3 × 15 = 45For 3rd question total marks obtained = 2 × 23 = 46Hence total marks obtained by the class are = 42+45+46 = 133Average marks obtained = \(\frac{Total~marks}{ Total ~ students} = \frac{133}{44}\)∴ Average marks obtained = 3.02.

"> Q1:Number of students Answered Correctly = 21Number of students Answered Wrongly = 17Number of students Answered Wrongly = 6∴ number of students = 21 + 17 + 6 = 44Similary, for Q2 and Q3 sum will be 45For 1st question total MARKS OBTAINED = 2 × 21 = 42For 2nd question total marks obtained = 3 × 15 = 45For 3rd question total marks obtained = 2 × 23 = 46Hence total marks obtained by the class are = 42+45+46 = 133Average marks obtained = \(\frac{Total~marks}{ Total ~ students} = \frac{133}{44}\)∴ Average marks obtained = 3.02.

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The table below has question-wise data on the performance of students in an examination. Themarks for each question are also listed. There is no negative or partial marking in the examination.Q No.MarksAnswered CorrectlyAnswered WronglyNot Attempted122117623152723223183 What is the average of the marks obtained by the class in the examination?

General Knowledge General Awareness in General Knowledge . 6 months ago

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For Q1:Number of students Answered Correctly = 21Number of students Answered Wrongly = 17Number of students Answered Wrongly = 6∴ number of students = 21 + 17 + 6 = 44Similary, for Q2 and Q3 sum will be 45For 1st question total MARKS OBTAINED = 2 × 21 = 42For 2nd question total marks obtained = 3 × 15 = 45For 3rd question total marks obtained = 2 × 23 = 46Hence total marks obtained by the class are = 42+45+46 = 133Average marks obtained = \(\frac{Total~marks}{ Total ~ students} = \frac{133}{44}\)∴ Average marks obtained = 3.02.

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Posted on 24 Nov 2024, this text provides information on General Knowledge related to General Awareness in General Knowledge. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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