One ticket is selected at random from 00 tickets numbered 00, 01 , 02 …, 99. Suppose A and B are the sum and product of the digit found on the ticket. Then P (( A=7)/(B=0)) is given by

April 9, 2022

by Ezee_Notes

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Maths Problems

Question : One ticket is selected at random from 00 tickets numbered 00, 01 , 02 …, 99. Suppose A and B are the sum and product of the digit found on the ticket. Then P (( A=7)/ (B=0)) is given by

(A) 2/13

(B) 2/19

(D) none of these

Answer : option (B)

Solution :

One ticket is selected at random from 00 tickets numbered 00, 01 , 02 ..., 99. Suppose A and B are the sum and product of the digit found on the ticket. Then P (( A=7)/ (B=0)) is given by