Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The number of permutations, of the digits 
, ..... 7 without repetition, which neither contain the string 153 nor the string 2467, is___
Text Solution
Verified by ExpertsThe correct answer is:
4898
(4898)
Digits 
Total permutations 
!
Let 
number of numbers containing string 153
Let 
number of numbers containing string 2467
153 | 2467 | |
2467 | 135 | |
153 | 2467 |
n(neither string 153 nor string 2467)
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