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If m denotes the number of 5 digit numbe...

If m denotes the number of 5 digit numbers if each successive digits are in their descending order of magnitude and n is the corresponding figure, when the digits are in their ascending order of magnitude then (m – n) has the value

A

`""^(10)C_(4)`

B

`""^(9)C_(5)`

C

`""^(10)C_(3)`

D

`""^(9)C_(3)`

Text Solution

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The correct Answer is:
B
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