Question

point
014.(a) In a competitive exam of 30 questions, 5 marks are awarded for
every correct answer, (3) marks are awarded for every incorrect answer,
and o marks are awarded for questions that are not attempted. Find the
total score if a student attempt all questions and gets incorrect answer
5

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer: 110 marks.

Step-by-step explanation:

Here, marks given for every correct answer = 5 marks.

∴marks given for one incorrect answer = 3 marks.

If the student answers all the questions and gets 5 incorrect answers, then: (a)Number of correct answers=25(30-5)[x]

(b)Number of incorrect answers=5(as given)[y]

∴Let us say for any student who gave x right questions and y wrong questions then total marks are given as 5x-3y.

∴Total marks obtained by the student = 5(x)-3(y)

                                                                 = 5(25)-3(5)

                                                                  =125-15

                                                                 =110.

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