সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
If 3a +5b = 10 and 5a + 3b = 30, what is the average (arithmetic mean) of a and b?
If 3a +5b = 10 and 5a + 3b = 30, what is the average (arithmetic mean) of a and b?
- ক. 4
- খ. 2.5
- গ. 3.5
- ঘ. 4.5
সঠিক উত্তরঃ 2.5
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- If the sum of (3, 7 and x) is 18, then the average of (3, 7 and x) is--
- What is the maximum number of half-pint bottles of cream that can be filled with a 4-gallon can of cream? (2 pt. = 1 qt. and 4 qt. = 1 gal)
- When a student weighting 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students?
- 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?
- If Tk.45000 was invested in the share market when the price per share was Tk.90 and Tk.30000 was invested when the price per share was Tk.100, what was the average price per share purchesd?
There are no comments yet.