সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
If the sum of (8, 5 and x) is 21, then the average of (8, 5 and x) is--
If the sum of (8, 5 and x) is 21, then the average of (8, 5 and x) is--
- ক. 7
- খ. 9
- গ. 2
- ঘ. 3.5
সঠিক উত্তরঃ 7
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- The average of a, b, c is 6 and a - b = 4, ab = 21, what is the value of c?
- Salma's average in four tests is 80%. What mark does she need score in her fifth test to make her average 84%?
- 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?
- There are 8 job applicants sitting in waiting room; 4 women and 4 men. If two of the applicants are selected at random, what is the probability that both will be women?
- In a class of 22 students, 21 students get an average of 44 marks. If the remaining students get 66 marks, the average marks of the whole class is--
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