সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
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 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?
- ক. 6.1
- খ. 30.1
- গ. 30.3
- ঘ. 34.3
সঠিক উত্তরঃ 34.3
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- Francis had an average of 75 on her first four Geometry test. After taking the next test her average dropped to 72. How much did she get in fifth test?
- If p is less than q , which of the following is the greater than p and less than q?
- Rahim average 70 in his first m number of exams. After taking n more exams he had an overall average of 75. In terms of m and n his average for the last n exams was—
- The addition of 10 digits is 462. The average of their first four digits is 52 and the average of last 5 digits is 38. What is the fifth digit?
- What is the average of 0.36, 4.6, 0.64 and 2.4?
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