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Question: The average of 10 numbers is -10. If the sum of 6 of them is 100, what is the average of the other 4 ?
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Question: The average of 10 numbers is -10. If the sum of 6 of them is 100, what is the average of the other 4 ?
Question 1: The average of 10 numbers is -10. If the sum of 6 of them is 100, what is the average of the other 4 ?
View topic: গড় (Average)
-100
-50
50
Source: Krishi Bank - Senior Officer - 20.04.2012
Answer
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Answer: -50
Explanation:
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রহিম ২৪০ টাকায় কতগুলো কলম কিনল। সে যদি ঐ টাকায় ১ টি কলম বেশি পেত তার ১টি কলমের দাম গড়ে ১ টাকা কম পড়তো। রহিম কতগুলো কলম কিনল?
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