Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The number of 7-digit numbers which are multiples of 11 and are formed using all the digits
and 9 is
Text Solution
Verified by ExpertsThe correct answer is:
576
(576) Digits are 1, 2, 3, 4, 5, 7, 9
Multiple of
Difference of sum at even & odd place is divisible by 11.
Let number of the form abcdefg


either
or 10
or 21
Case- 1




Total number in case- 





Total number in case 
Total numbers 
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