Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The number of all 6-digit numbers, which have all the digits distinct, is
A
9 6
B
C(9, 6)
C
9 x 
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
C
Extreme left place can be filled in 9 ways as any one of the 9 non-zero digits can be placed there. Corresponding to each way of doing so, the remaining five places can be filled in with remaining nine digits in 
ways.
Hence, the required number of numbers
= 9 x 
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