Ranu's "important " speech given at the state competition won her the first prize.

সঠিক উত্তর: extemporaneous
ব্যাখ্যা: "Extemporaneous" means spoken or done without preparation. In this context, Ranu’s speech being extemporaneous indicates that it was made without prior preparation and yet was impressive enough to win first prize.

ভুল অপশন ১: interesting
ব্যাখ্যা: While a speech can be interesting, this doesn't capture the specific meaning intended by "extemporaneous."

ভুল অপশন ২: informative
ব্যাখ্যা: "Informative" suggests the speech gave information, but it doesn’t imply that it was made without preparation.

ভুল অপশন ৩: expressive
ব্যাখ্যা: "Expressive" refers to conveying emotions or thoughts clearly, but it does not convey the impromptu nature suggested by "extemporaneous."