|
|
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
21 May 2021, 08:15
Kudos
Bookmarks
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
69% (02:00) correct
31%
(02:30)
wrong
based on 85
sessions
History
Date
Time
Result
Not Attempted Yet
How many options are there for license plate numbers if each license plate can include 2 digits and 3 letters (in that order), or 3 digits and 2 letters (in that order)? (Note: there are 26 letters in the alphabet)
A. 37×260^2
B. 36×260^2
C. 36×270^2
D. 10^2×26^3
E. 10^3×26^2
A. 37×260^2
B. 36×260^2
C. 36×270^2
D. 10^2×26^3
E. 10^3×26^2
21 May 2021, 08:26
Kudos
Bookmarks
There are 10 digits and 26 alphabets.
First case: 10*10*26*26*26 = 2600*26*26
Second case: 10*10*10*26*26 = 1000*26*26
Total options available = First case + Second case = (2600+1000)*26*26 = 3600*26*26 = 36*10*10*26*26 = 36*(260)^2.
Answer : Option B
First case: 10*10*26*26*26 = 2600*26*26
Second case: 10*10*10*26*26 = 1000*26*26
Total options available = First case + Second case = (2600+1000)*26*26 = 3600*26*26 = 36*10*10*26*26 = 36*(260)^2.
Answer : Option B
21 May 2021, 09:35
Kudos
Bookmarks
Asked: How many options are there for license plate numbers if each license plate can include 2 digits and 3 letters (in that order), or 3 digits and 2 letters (in that order)? (Note: there are 26 letters in the alphabet)
Number of options = 10*10*26*26*26 + 10*10*10*26*26 = 10^2*26^2*36 = 36*260^2
IMO B
Number of options = 10*10*26*26*26 + 10*10*10*26*26 = 10^2*26^2*36 = 36*260^2
IMO B
