- Fatima cannot contain her anger whenever the subject of local politics is discussed.
- Viraj has just been told that he is being laid off. Before leaving his supervisor's office, he punches a hole in the door.
- Rugved has visited the dealership several times, but she still cannot decide which car to buy.
- In the past month, Sagar, who has been a model employee for three years, has repeatedly called in sick, forgotten important meetings, and been verbally abusive to colleagues.
- Shreya cannot control her emotions whenever students discuss about Indian army.
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Answer: D
Approach: Definition application — match the option to every part of the definition.
Solution: Erratic behaviour = acting without consistency, regularity or uniformity. Sagar was a model employee for three years and now suddenly calls in sick, forgets meetings and is abusive — a clear break from his regular pattern, i.e. inconsistent behaviour.
Why the other options are wrong: A and E show a consistent reaction (always angry/emotional on one topic); B is a single reaction to one event; C is indecision, not irregular behaviour.
Cetking shortcut: Look for the option that shows a change from a stable pattern — that is what 'lacks consistency' means.
Answer: D