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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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Synonyms and Antonyms
সময় ও কাজ (Time and work)
বয়স (Ages)
বিবিধ সমস্যা (Miscellaneous Problem)
শতকরা ও লাভ-ক্ষতি (Percentage and Profit and loss)
Affirmative and Negative Agreement
সেট (Set)
বাংলা সাহিত্যের আধুনিক যুগের সূচনা
বিশ্ববিখ্যাত টেক জায়ান্ট
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