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Question

The number of three-digit odd numbers that can be formed with 1,2,3,4,5 is,


A

36

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B

60

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C

24

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D

53

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Solution

The correct option is A

36


The explanation for the correct option.

The last digit of the number can take one of these 3 values, 1,3,5 because number is odd.
The remaining 2 digits can take any 2 of the remaining 4 digits.
Totalno.ofways=3×P24=3×4!2!=3×4×3×2!2!=36

Hence, the option Ais correct.


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