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The number of different numbers that ...

The number of different numbers that be can be formed by using all the digits 1,2,3,4,3,2,1 so that odd digits always occupy the odd places is

A

18

B

26

C

12

D

10

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1A (PERMUTATIONS )
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  4. The number of 6 digited numbers less than 4,00,000 can be formed...

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