GMAT Practice: Averages & Statistics : 550 level question in Averages - Videos

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Another question to understand and apply the standard framework to solve averages question.

Question
The average age of a group of 10 students is 20. The average age increases by 2 years when two new students join the group. What is the average age of the two new students who joined the group?
A. 22 years
B. 30 years
C. 44 years
D. 32 years
E. None of these

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