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
- 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 Taka 4500 was invested in bonds of acorporation when the price per bond was Tk.9.00 and Taka 3000 was invested in bonds of another corporation when the price was Tk.10.00 per bond, What was the average price of bonds purchased?
- A school had 100 students aged 20years on an average. At the of the year 20 students aged 22 years on an average left and 25 students of 18 years on an average joined the school. What is the average age of the present students of the school?
- If the average of four numbers k, 2k + 3, 3k - 5, and 5k + 1 is 63. What is the value of k?
- If a mark of 76 or higher represents A grade, what is the nearest percentage of students who receive an A?
There are no comments yet.