This descriptive statistics problem solving question is an easy one and focuses on averages. You are likely to get 2 to 3 questions in the GMAT quant section from statistics. The question has been solved using the standard framework and should help you consolidate the use of the framework.
Question
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 wage was $87 per day and the average wage during the last 7 days was $92 per day. What was his wage on the 8th day?
A. 83
B. 92
C. 90
D. 97
E. 104
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