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Question

Two digits are formed from the digits 0,1,2,3,4 where digits are not repeated. Find the probability of the events that the number so formed is an even number.

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Solution

Let S be sample space of number formed. Then,
S={10,12,13,14,20,21,23,24,30,31,32,34,40,41,42,43}
n(S)=16
Let A be event of Even number. then,
A={10,12,14,20,24,30,32,34,40,42,}
,P(A)=1016=58

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