Ek priksha me 1ques. ko sahi hal karne pr 3marks milte hai. Galat hal krne pr 1 mark kat liya jata hai. Yadi kisi chhatr ne kul 110ques. Hal karke 286marks prapt kiye ho to usne kitne ques. Galat kiye?
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66 questions done wrong..
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Mana usne x question sahi kiye to 110-x galat kiye honge
Equation
3*x -(110-x)*1=286
3x-110+x=286
4x=286+110
X=386/4
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