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Question: the average age of 12 children is 20 years. If the age of one more child is added, the average decreased by 1. What is the age of child added later?
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Question: the average age of 12 children is 20 years. If the age of one more child is added, the average decreased by 1. What is the age of child added later?
Question 1: the average age of 12 children is 20 years. If the age of one more child is added, the average decreased by 1. What is the age of child added later?
View topic: গড় (Average)
5
7
19
20
Source: Investment Corporation - Officer - 21.01.2011
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Answer: 7
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