An exaggerated statement is termed as -

• An exaggerated statement or an extreme overstatement is termed as - Hyperbole.
- Hyperbole - অতিরঞ্জন বা অতিশয়োক্তি
- কোন ব্যক্তি বা বস্তুকে তার বাস্তব অবস্থানের চেয়ে বাড়িয়ে বলা।
- 'Ten thousand saw I at a glance' is an example of- Hyperbole.

অন্যদিকে, প্রশ্নে উল্লেখিত অপশন গুলোর মধ্যে -
• Irony - A statement or a situation or an action which actually means the opposite of its surface meaning.
• Simile - A simile is an explicit comparison between two different things.
• A metaphor is a figure of speech that is used to make a comparison between two things that aren't alike but do have something in common.

Source: An ABC of English Literature by Dr. M Mofizar Rahman