সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
For a certain student the average of five test scores is 83. If four of the scores are 81, 79, 85 and 90. What is the score of the fifth test?
For a certain student the average of five test scores is 83. If four of the scores are 81, 79, 85 and 90. What is the score of the fifth test?
- ক. 83
- খ. 82
- গ. 81
- ঘ. 80
সঠিক উত্তরঃ 80
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- If x : y = 2 : 3, and m : n = 9 : 4, find the ratio xn : ym.
- Two blends of tea costing $2.80 and $3.20 per kg respectively, are mixed in the proportion 2 : 3. The mixture is sold at $4.80 per kg. What was the percentage of profit?
- In a 500m race, the ratio of the speeds of two comtestants A and B is 3 : 4. A has start of 140m. Then A wins by:
- The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 1250. The sum of the numbers is:
- A sum of money is to distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Tk. 1000 more than D, what is B's share?
There are no comments yet.
Subject
Topic
Ratio, Proportion and Partnership