menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
How many 4-digit palindromes contain both the digits 1 and 2
Ask a Question
Questions
Unanswered
Tags
Ask a Question
How many 4-digit palindromes contain both the digits 1 and 2
asked
Apr 3, 2016
207k
views
1
vote
How many 4-digit palindromes contain both the digits 1 and 2
Mathematics
middle-school
Robert Pal
asked
by
Robert Pal
8.3k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
4
votes
4 digit palindromes must be of form abba, so being required that you use both numbers, you only have two: 1221 and 2112
Clayton Hughes
answered
Apr 9, 2016
by
Clayton Hughes
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Jul 2, 2024
168k
views
*problem 13.28. a us social security number (ssn) has 9 digits. the first digit may be zero. (a) how many ssns are there? how many are even? how many have only even digits? (b) how many are palindromes
Adenike
asked
Jul 2, 2024
by
Adenike
8.2k
points
Mathematics
high-school
1
answer
1
vote
168k
views
asked
Nov 20, 2016
120k
views
How many 4 digit palindromes contain both the digits 1 and 2
Ali Bayat
asked
Nov 20, 2016
by
Ali Bayat
8.0k
points
Mathematics
middle-school
1
answer
2
votes
120k
views
asked
Jan 20, 2020
182k
views
A palindrome is a number that reads the same forward and backward. For example. 2442 and 111 are palindromes. If 5-digit palindromes are formed using one or more of the digits, 1, 2, 3, how many such palindromes
Steve Eynon
asked
Jan 20, 2020
by
Steve Eynon
7.2k
points
Mathematics
high-school
1
answer
2
votes
182k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org