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The number lock of a suitcase has 4 w...

The number lock of a suitcase has 4 wheels, each labelled with ten digits i.e., from 0 to 9. The lock opens with a sequence of four digits with no repeats. What is the probability of a person getting the right sequence to open the suitcase?

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The correct Answer is:
N/a
No. of all possible sequences
`=.^(10)P_(4)=(|__10)/(|__4|__6)=5040`
Lock canbe open in 1 sequence only.
`:.` Probability of getting the right sequence `=1/5040`
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