Andrew Geller

If X is the hundredths digit in the decimal 0.1X and if Y is the thousandths digit in the decimal 0.02Y, where X and Y are nonzero digits, which of the following is closest to the greatest possible value of (0.1X)/(0.02Y)? A. 4 B. 5 C. 6 D. 9 E. 10 Correct Answer: D Full explanation coming soon. Send us a note if […]

If m and p are positive integers and m² + p² < 100, what is the greatest possible value of mp? A. 36 B. 42 C. 48 D. 49 E. 51 Correct Answer: D 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

The symbol Δ denotes one of the four arithmetic operations: addition, subtraction, multiplication, or division. If 6 Δ 3 ≤ 3, which of the following must be true? I. 2 Δ 2 = 0 II. 2 Δ 2 = 1 III. 4 Δ 2 = 2 A. I only B. II only C. III only

√(4.8×10⁹) is closest in value to A. 2,200 B. 70,000 C. 220,000 D. 7,000,000 E. 22,000,000 Correct Answer: B 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 Question of

The graph shows the number of computers assembled during each of 6 consecutive days. From what day to the next day was the percent change in the number of computers assembled the greatest in magnitude? A. From Day 1 to Day 2 B. From Day 2 to Day 3 C. From Day 3 to Day