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Question: Average mark in Math in a class of 40 students is 45. Average mark of all the 30 boys is 50. Then the average mark obtained by the girls is :
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Question: Average mark in Math in a class of 40 students is 45. Average mark of all the 30 boys is 50. Then the average mark obtained by the girls is :
Question 1: Average mark in Math in a class of 40 students is 45. Average mark of all the 30 boys is 50. Then the average mark obtained by the girls is :
View topic: গড় (Average)
30
35
25
40
Source: Bangladesh Bank - Assistant Director - 2010
Answer
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Answer: 30
Explanation:
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১৪ ১২ ৩৪ এর গড় কোনটি?
একটি ক্লাসে ১৬ জন ছাত্রের গড় ওজন ৫০ কেজি এবং অবশিষ্ট ৪ জন ছেলের গড় ওজন ৪০ কেজি। ক্লাসের সকল ছেলের গড় ওজন কত?
The average wage of a worker during a fortnihgt comprising 15 consecutive working days was Taka 90 per day. During the first 7 days, his average wage was Taka 87 per day and the average wage during the last 7 days was Taka 92 per day. What was his wage on the 8th day ?
A train went 300 km from City to city at an average speed of 100 km/h. At what speed did it travel on the way back if/his its average speed for the whole trip was 120 km/h
If the average of 5 consecutive integers is 12, what is the sum of the smallest and the largest of the 5 integers?
If taka 45000 was invested in a share when the price per share was taka 90 and taka 3000 was invested when the price per share was taka 60, what was the average price per share purchased?
The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older than him. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?
Your company has an advertisement budget of BDT 50 million per quarter. Accounts show that during the first three quarters the company has spent BDT 10, 15, and 20 million respectively. How much should the company spend during the fourth quarter in order to maintain the average budget allocation?
৮ জনের একটি দলে ৬৫ কেজি ওজনের একজনের পরিবর্তে নতুন একজন যোগ দেয়ায় তাদের গড় ওজন ২.৫ কেজি বেড়ে যায়। নতুন ব্যক্তির ওজন কত কেজি?
১০টি সংখ্যার যোগফল ৪০০। এদের প্রথম ৬টি গড় ৪০ এবং শেষ ৬টির গড় ৩০। ষষ্ঠ সংখ্যাটি কত?
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পুরুষ
ক্রম ও ধারা (Sequence & Series)
বাংলা সাহিত্যঃ প্রাচীন ও মধ্য যুগ
প্রবাদ-প্রবচন
শব্দের অর্থ ও একই শব্দ বিভিন্ন অর্থে প্রয়োগ
ভগ্নাংশ (Fraction)
ণ-ত্ব এবং ষ-ত্ব বিধান
কারক ও বিভক্তি
অনুসর্গ বা কর্মপ্রবচনীয়
বাংলা অনুবাদ
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