in a class test containing 100 questions 5 marks are rewarded for every correct answer and -2 for every incorrect answer and zero for not attempted questions .(a)bela gets 40 correct and 60 incorrect answer . what is her score ?(b)Maya gets 50 correct and 50 incorrect answer .what is her score ?(c)Meena gets 20 correct and 50 incorrect answers out of 70 questions she attempts .what is her score ?
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Bela gets =40*5+(-2)60=200-120=80
Maya gets=50*5+(-2)50=250-100=150
Meena gets=20*5+50(-2)+30(0)=0
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