সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Coffee A normally costs Tk.100 per lb. It is mixed with coffee B, which normally costs Tk.70 per lb, to from a mixture that costs Tk.88 per lb. If there are 10 lbs of the mix, how many pounds of coffee A is used in the mixture?
Coffee A normally costs Tk.100 per lb. It is mixed with coffee B, which normally costs Tk.70 per lb, to from a mixture that costs Tk.88 per lb. If there are 10 lbs of the mix, how many pounds of coffee A is used in the mixture?
- ক. 4
- খ. 6
- গ. 5
- ঘ. 7
সঠিক উত্তরঃ 6
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- If a : b = 4 : 7 and b : c = 5 : 6, then a : b : c =?
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Topic
Ratio, Proportion and Partnership