I'll say something is wrong with the ink or the papers jammed
Answer:
The answer is "5 users and 1 block".
Explanation:
In Option a:
Bandwidth total 
Any User Requirement 
The method for calculating the number of approved users also is:
Now, calculate the price of each person for overall bandwidth and demands,


In Option b:



mean user 

max user 

It is used to repeat any block of code multiple times (iteration)
Answer:
Please check the attachment.
Explanation:
avg turnaround time = (38+7+42+33+18)/5= 27.6
avg waiting timee = (33+5+28+23+17)/5= 21.2
And its D, A C in Gantt chart at last and exit time are 33, 38 and 42 mentioned as last three in Gantt chart.