Of all the mappings that can be defined ...

Of all the mappings that can be defined from the set A:{1,2,3,4} `to` B:{5,6,7,8,9}, a mapping is randomly selected. The chance that the selected mapping is strictly monotonic is

A

`(1)/(125)`

B

`(2)/(125)`

C

`(3)/(25)`

D

`(6)/(25)`

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The correct Answer is:

B

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