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A
243284
B
218496
C
40320
D
262144
E
229376
A
243284
B
218496
C
40320
D
262144
E
229376
Solution
There are eight options available to fill six places(in a six digit number)
The first place can be filled in 7 ways as 0 cannot be the first...
There are eight options available to fill six places(in a six digit number)
The first place can be filled in 7 ways as 0 cannot be the first number.
Since repetition is allowed each place can be filled in 8 ways.
Hence the number of six digit numbers that can be formed with repetition
= 7 × 8 × 8 × 8 × 8 × 8
= 229376
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