Question

2) In a class test containing 10 questions, 5 marks are awarded for every correct answer and
(-2) marks are awarded for every incorrect answer and 0 for questions not attempted. Mohan
gets four correct and six incorrect answer. What is his score?

​

Answer 1

Step-by-step explanation:

score of mohan=4*5+6*(-2)

=20-12

= 8

Answer 2

Step-by-step explanation:

a class test containing 10 questions, 5 marks are awarded for every correct answer and (−2) for each wrong and 0 for not attempted questions. We will just forget unattempted questions as it will give her 0 marks

So let us say for any student who gave x right questions and y wrong questions then total marks is given as 5x+(−2)y i.e

5x−2y total marks.

1) Mohan gets 4 correct and 6 incorrect so total score 5×4−2×6 i.e 8marks

2)Reshma gets 5 correct anf 5 incorrect do total marks scored is equal to

5×5−2×5 i.e 15marks

3)Heena gets 2 correct and 5 incorrect. She attempts only 7 questions so for the remaining 3 questions she will score zero marks.

So total marks scored by Heena is 5×2−5×2+0 i.e 0marks

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