GMAT Math Questions - Averages
December 22, 2003: The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the two new students who joined the group? Answer »
April 13, 2004 : The average of 5 quantities is 6. The average of 3 of them is 8. What is the average of the remaining two numbers? Answer »
June 11, 2004 :The average wages of a worker during a fortnight comprising 15 consecutive working days was $ 90 per day. During the first 7 days, his average wages was $ 87/day and the average wages during the last 7 days was $ 92 /day. What was his wage on the 8th day? Answer »
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