Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

How many numbers are there between 20000 and 30000 in which the digits are 2,3,5,6,7 and each digit can be repeated any number of times.

Can you answer this question?

1 Answer

0 votes
Since the numbers are > 20000 and <30000 $1^{st}$ place can be only 2.
Remaining 4 places can be occupied by any of the 5 digits.
$\therefore$ Required no. of numbers = $5^4=625$
answered Aug 20, 2013 by rvidyagovindarajan_1

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App