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
- The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 1250. The sum of the numbers is:
- Let A, B and C shares profit at the ratio of 2 : 3 : 7 and A and B together get Tk.1500 less than C gets. How much A will get:
- Coffee A normally costs Tk.100 per lb. It is mixed with coffee B, which normally costs Tk.70 per lb, to from a mixture that costs Tk.88 per lb. If there are 10 lbs of the mix, how many pounds of coffee A is used in the mixture?
- Saif, Noman and Morshed divided a sum of money among thenselves in the ratio 2 : 3 : 7. Find the share of Saif if the total share of Saif and Noman together is Tk.1500 less than that of Morshed.
- Divide Rs.5625 among A, B and C so that A receive 1/2 as much as B & C and B 1/4 of what A and C together receive?
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Subject
Topic
Ratio, Proportion and Partnership