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Question: The average age of group of 10 students is 15 years. When 5 new students joined the group, the average age rise by 1 year. The average age (in years) of the new student is :
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Question: The average age of group of 10 students is 15 years. When 5 new students joined the group, the average age rise by 1 year. The average age (in years) of the new student is :
Question 1: The average age of group of 10 students is 15 years. When 5 new students joined the group, the average age rise by 1 year. The average age (in years) of the new student is :
View topic: গড় (Average)
18 years
17 years
16 years
None of these
Source: United Commercial Bank Ltd - Officer - 13.08.2010
Answer
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Answer: 18 years
Explanation:
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