The sum of the weekly salaries of 5 employees is $3,250. If each of the 5 salaries is to increase by 10 percent, then the average (arithmetic mean) weekly salary per employee will increase by A. $52.50 B. $55.00 C. $57.50 D. $62.50 E. $65.00 Correct Answer: E Full explanation coming soon. Send us a note if
The table shows the numbers of packages shipped daily by each of five companies during a 4-day period. The standard deviation of the numbers of packages shipped daily during the period was greatest for which of the five companies? A. A B. B C. C D. D E. E Correct Answer: B You’ll find tons
Which of the following is closest to √(4.2(1,590)/15.7)? A. 20 B. 40 C. 60 D. 80 E. 100 Correct Answer: A Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of practice questions, explanations for GMAT Official Guide questions, and strategies on our GMAT
Which of the following is closest to √(4.2(1,590)/15.7)? Read the Full Article »
During a trip that they took together, Carmen, Juan, Maria, and Rafael drove an average (arithmetic mean) of 80 miles each. Carmen drove 72 miles, Juan drove 78 miles, and Maria drove 83 miles. How many miles did Rafael drive? A. 80 B. 82 C. 85 D. 87 E. 89 Correct Answer: D Full explanation
The value of (7/8+1/9)/(1/2) is closest to which of the following? A. 2 B. 3/2 C. 1 D. 1/2 E. 0 Correct Answer: A Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of practice questions, explanations for GMAT Official Guide questions, and strategies
The value of (7/8+1/9)/(1/2) is closest to which of the following? Read the Full Article »