Answer:

Step-by-step explanation:
Given

i.e. first to fifth
Required
Determine number of selection
1st position = Any of the 30 students
2nd position = Any of the 29 students
3rd position = Any of the 28 students
4th position = Any of the 27 students
5th position = Any of the 26 students
Number of selection is then calculated as:


12 : 19...................
Answer: its b ;p
Step-by-step explanation:
3^9
Step-by-step explanation:
For every four white balls taken out one black ball is taken out so it would be the 52 white ball