In a class test +3 marks are given for every correct answer and - 2 maeks are given for every incorrect answer and no mark for not attempting question. Mohini scores - 5 marks in this test though she has got 7 correct answer how many question has she attemtep incorectly
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No of ques correclty answered : 7
Marks for 7 ques correclty answered : 7x3 = 21 marks
Mark she scored : 5
No of - marks : 21 - 5 = 16 marks
= 16/2
= 8 Q
8 questions she attempt incorectly
Marks for 7 ques correclty answered : 7x3 = 21 marks
Mark she scored : 5
No of - marks : 21 - 5 = 16 marks
= 16/2
= 8 Q
8 questions she attempt incorectly
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