27
28
30
31
Source: প্রাথমিক বিদ্যালয় সহকারী শিক্ষক নিয়োগ -2012-(করতোয়া-04) (24-02-2012)
Answer: 30
Explanation:
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You should read | Questions
What is the average (arithmatic mean) of
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একজন বোলার গড়ে ২২ রান দিয়ে ৬টি উইকেট পান। পরবর্তী খেলায় গড়ে ১৪ রান দিয়ে ৪টি উইকেট পান। তিনি গড়ে উইকেটপ্রতি কত রান দিয়েছেন?
In 1980, there were , on the average 10 deaths at birth (infant mortality) per 10,000 population. By 1990 , there were 8.5 and by 2000, 7.0 Today there were 5.5 deaths at birth per 10,000 population , and it is anticipated that the downward trend will continue.Each of following , if true, would help to account for this trend EXCEPT
If (x2 -y2) =48 and (x -y) =4 , what is the average of x and y?
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You should read | Topic
পদ প্রকরণ
প্রাচীন কাল থেকে সমসাময়িক
পরিমিতি (Mensuration)
বাংলা ভাষা ও বাংলা ব্যকরণ
প্রগ্রারমিং ভাষা ও সফটওয়্যার
বাংলা অনুবাদ
বাংলাদেশ ভৌগলিক অবস্থান ও বিভাগ, জেলা পরিচিতি
শব্দের প্রকারভেদ ও উৎস
বিবিধ সাধারন জ্ঞান
পাটিগণিত প্রাথমিক ধারণা (Basics of Arithmetic)
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