If n = 20! + 17, then n is divisible by which of the following? I. 15 II. 17 III. 19 A. None B. I only C. II only D. I and II E. II and III Correct Answer: C Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find […]
If n = 20! + 17, then n is divisible by which of the following? Read the Full Article »
The sum of all the integers k such that −26 < k < 24 is A. 0 B. -2 C. -25 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 strategies
The sum of all the integers k such that −26 < k < 24 is Read the Full Article »
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
