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GATE 2014 CS (CS3) – Question 5

General Aptitude · Quantitative Aptitude: Arithmetic and Number Computation · 1 mark · Multiple choice

An examination has no negative or partial marking. The question-wise data (question number, marks, answered correctly, answered wrongly, not attempted) are (1,2,21,17,6), (2,3,15,27,2), (3,2,23,18,3). What is the average total examination score of the class?

  1. 1.34
  2. 1.74
  3. 3.02
  4. 3.91

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Correct answer: (C) 3.02

Explanation

Each row totals44students. The class earns2×21+3×15+2×23=133marks across all three questions. With no negative or partial marking, average total score133/44=**3.0227≈3.02,C**. Divide by students, not by the number of question responses.