সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
The average of a, b, c is 6 and a - b = 4, ab = 21, what is the value of c?
The average of a, b, c is 6 and a - b = 4, ab = 21, what is the value of c?
- ক. 6
- খ. 7
- গ. 8
- ঘ. 9
সঠিক উত্তরঃ 8
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- On Monday a person mailed 8 packages weighting an average of 99/8 pounds and on Tuesday 4 packages weighting an average of 61/4 pounds. What was the average weight on pounds of all the packages the person mailed on both days?
- The average of 5 numbers is 40. If 2 more numbers with an average of 21 are added to these numbers, what will be the average of the combined numbers?
- The average of 7 numbers of 40. If 3 more numbers with an average of 21 are added to these numbers,what will be the average of the combined 10 numbers?
- The average of 6 numbers is 25. If 3 more numbers with an average of 22 are added to these numbers, what will be the average of the combined 9 numbers?
- If a mark of 76 or higher represents A grade, what is the nearest percentage of students who receive an A?
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