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nCr Definitions and Properties

All the five ...

Question

All the five digit numbers N = abcde having property a < b < c < d < e are arranged in the increasing order of their magnitude. Then the $97^{t h}$ number in the list contains the odd digit is

A

3

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B

5

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C

7

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D

9

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Solution

The correct option is C
7

$97^{t h}$ number is 24678.

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nCr Definitions and Properties

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