Question Bank - General Aptitude

Here's the question bank on all the general aptitude topics.

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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?

A.
1.34
B.
1.74
C.
3.02
D.
3.91

Solution:

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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