In an objective type test containing 25 questions. A student is to be awarded +5 marks for every correct answer, –5 for every incorrect answer and zero for not writing any answer. Mention the ways of scoring 110 marks by a student.
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Answered by
16
Answer:
he can attend 22 questions so that he will attain 22×5=110 marks
or
he can attend 24 questions in which one is wrong
so 23correct mark =115
1wrong mark=115-5
answer will be 110
hope this will help u
Answered by
11
total questions = 25
mark for correct answer = +5
marks for incorrect = -5
Score = 110
110 = 22 × 5
- The student attended only 22 questions and all were corect
110 = (23 × 5) - 5
= 115 - 5
= 110
- the student attended 24 questions 23 were corect and 1 was wrong
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