Free Practice Question
PS · Problem Solving
sub-505
Combinations
At a particular university, every student receives a unique 4-digit identification number. The first digit of this number cannot be zero, while the last digit must be a prime number. How many unique identification numbers can be generated by the university?
Answer Choices
Sign in to reveal the correct answerA
8,000
B
3,600
C
2,400
D
2,160
E
1,728
Reveal the correct answer
Sign in for free to check your answer and unlock the full explanation.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Unlock the full explanation
Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.
Comments
2
Sign in to join the discussion
T
TaeikFeb 28, 2024
Thanks for sharingThank you for sharing!!thanks for sharing
Details
Difficulty
sub-505
Type
PS
Category