Consider the set of processes with arrival time (in milliseconds), CPU burst time (in milliseconds), and priority (0 is the highest priority) shown below. None of the processes have I/O burst time.

The average waiting time (in milliseconds) of all the processes using pre-emptive priority scheduling algorithm is __________.
GATE CSE 2017,SET2 - [2Marks] (NAT)
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This question is part of this quiz :
GATE||Module 1 - Processes and Threads|| Pyq (2010 to2025),GATE||Operating system || Pyq (2010 to 2025)