A discrete mathematics problem by Brilliant Member

Discrete Mathematics Level 2

A box contains 100 tickets numbered 1, 2, …, 100. Two tickets are chosen at random. It is given that the greater number on the two chosen tickets is not more than 10. The probability that the smaller number is 5 is \(\text{__________} . \)

1/7 13/83 1/13 328/993 1/9 427/13214 1/5 19/783