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The number of rational numbers lying in ...

The number of rational numbers lying in the interval (2002,2003) all whose digits after the decimal point are non-zero and ae in decreasing order are

A

`sum_(i=1)^(9).^(9)P_(i)`

B

`sum_(i=1)^(10).^(9)P_(1)`

C

`2^(9)-1`

D

`2^(10)-1`

Text Solution

Verified by Experts

The correct Answer is:
c
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