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Ramesh has solved 108 questions in an examination. If he
got only ‘0’ marks, then how many questions were wrong
when one mark is given for each one correct answer and 1/3
mark is subtracted on each wrong answer.
Read Solution (Total 2)
-
- 81
If Ramesh attempts 'x' questions correct and 'y' questions wrong, then
x + y=108 ---(i) &
x - (1/3)y=0 ---(ii)
On solving x=27, y=81 - 9 years agoHelpfull: Yes(3) No(0)
- let x= correct quwstion, y= wrong question
x+y= 108
now for every question have 1 marks for correct
x*1 - y/3*1=0
so x=27, y=81 - 7 years agoHelpfull: Yes(0) No(0)
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