সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
An ore contains 26% of copper. To get 91 kgs of copper the quantity of ore required is--
An ore contains 26% of copper. To get 91 kgs of copper the quantity of ore required is--
- ক. 350 kg
- খ. 240 kg
- গ. 350 kg
- ঘ. None of these
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