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Xavier Aptitude Test 2015 Paper
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© examsnet.com
Question : 70 of 113
Marks:
+1
,
-0
In an examination, two types of questions are asked: one mark questions and two marks questions. For each wrong answer, of one mark question, the deduction is 1/4 of a mark and for each wrong answer, of two marks question, the deduction is 1/3 of a mark. Moreover, 1/2 of a mark is deducted for any unanswered question. The question paper has 10 one mark questions and 10 two marks questions. In the examination, students got all possible marks between 25 and 30 and every student had different marks. What would be the rank of a student, who scores a total of 27.5 marks?
5
6
7
8
None of the above
Validate
Solution:
(a) Possible marks are given below :
1 mark questions
2 marks questions
Total
Correct
Wrong(– 1/4)
Notans.(– 1⁄2)
Marks
Correct
Wrong(– 1/3)
Notans.(– 1⁄2)
Marks
10
0
0
10
10
0
0
20
30
9
1
0
;8.75
10
0
0
20
28.75
9
0
1
8.5
10
0
0
20
28.5
10
0
0
10
9
1
0
17.67
27.67
10
0
0
10
9
0
1
17.5
27.5
8
2
0
7.5
10
0
0
20
27.5
8
1
1
7.25
10
0
0
20
27.25
9
1
0
8.75
9
0
1
17.5
26.25
Hence the score of the rank who scores a total of 27.5 marks is 5th highest rank.
© examsnet.com
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