I just used PEMDAS. It was easy.
2. A
becasue it say that you randomly ask everyone
Answer:
360
Step-by-step explanation:
Here we are required to find 
It is a problem of Permutation and we must understand the formula for finding permutations.
The general formula for finding the permutation is given as below:

Hence


Where



Hence



Fraction is 2.161616/1000000
mixed number is 2 161616/1000000