Question

There
30 questions in a certain multiple choice in a
Paper Each ze has & options and exactly one is to marked by
Three candidates A, B, C mark each of the 30 90s. enden.
indiptly the probability that all the 30 ans of the three students match
each other perfectly of
Candidate​

Answer 1

i can't understand what question is saying pls ask clearly.

Answer 2

Answer:

I can not understand the question