Which of the following activities would waste the most time? a. Rich tries to multitask writing a report and reading a memo, and has to re-write the report and re-read the memo, which takes an hour. b. During a departmental meeting, Barry and Scott make small talk for twenty minutes while the other six meeting members sit and listen. c. Greg asks Tony a question about work and then talks to him for ten minutes about who will win the game tonight. d. Barbara composes an e-mail during her thirty minute train ride to work.

Rich tries to multitask writing a report and reading a message, and has to re-write the report and re-read the memo, which takes an hours.

Multitasking is the point at which one person handles more than one undertaking simultaneously. Models incorporate while strolling, sending mails during a gathering, and on the telephone while staring at the TV.

Multitasking alludes to the capacity to deal with different ways on the double by zeroing in on one errand while monitoring others. For instance, picking up the telephone in a bustling banquet room in the middle of hello patients or noting mails exhibits multitasking abilities.

Particularly today, when person and representatives the same are representing a deluge of errands and obligations, and are experiencing different difficulties and interruptions route, multitasking is an important ability that ought to consistently be enhanced to expand usefulness and achievement.

Multitasking is a good skill but the way he was doing it was not applicable because he was repeating the task again and again so that thing was basically wasting his time as the statement stated that it took an hour to complete that so that is the method which was wasting his time.

For more information, refer the following link:

https://brainly.com/question/16581563