How many prime numbers between 1 and 100 are factors of 7,150? A. One B. Two C. Three D. Four E. Five 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 […]
How many prime numbers between 1 and 100 are factors of 7,150? Read the Full Article »
The light in a restroom operates with a 15-minute timer that is reset every time the door opens as a person goes in or out of the room. Thus, after someone enters or exits the room, the light remains on for only 15 minutes unless the door opens again and resets the timer for another
If y is the smallest positive integer such that 3,150 multiplied by y is the square of an integer, then y must be A. 2 B. 5 C. 6 D. 7 E. 14 Correct Answer: E Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of
If n = 38 − 28, which of the following is NOT a factor of n? A. 97 B. 65 C. 35 D. 13 E. 5 Correct Answer: C 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
If n = 3⁸ − 2⁸, which of the following is NOT a factor of n? Read the Full Article »
If m−1=−1/3, then m−2 is equal to A. -9 B. -3 C. -1/9 D. 1/9 E. 9 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 on our GMAT Question of the Day
If m⁻¹=−1/3, then m⁻² is equal to Read the Full Article »
