1.

A fivedigit number is formedwith the digits 0,1,2,3and 4 withoutrepetition,Find the chance thatthe numberisdivisibleby 5.

Answer»

`3//5`
`1/5`
`2//5`
`4//5`

Solution :TOTAL5 digitnumberpossible`=4xx4! =48`
`( :'0 "can not be on"10000^(TH)"place")`
Numberdivisibleby 5=


`therefore P(E)=(4!)/(4xx4!)=(1)/(4)`


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