One ticket is selected at random from 100 tickets numbered 00, 01 ,02… , 98, 99. If x1 and x2 denotes the sum and product of the digits on the tickets, then P(x1=9/x2=0) is equal to

March 29, 2022

by Ezee_Notes

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Maths Problems

Question : One ticket is selected at random from 100 tickets numbered 00, 01 ,02… , 98, 99. If $x_{1}$ and $x_{2}$ denotes the sum and product of the digits on the tickets, then P( $x_{1}$ =9/ $x_{2}$ =0) is equal to

(A) 2/19

(B) 19/100

(D) none of these

Answer : option (A)

Solution :

One ticket is selected at random from 100 tickets numbered 00, 01 ,02... , 98, 99. If x1 and x2 denotes the sum and product of the digits on the tickets, then P(x1=9/x2=0) is equal to