Cacophony : Sound :: Blunder : ?

• Correct Answer: ক) Mistake.

• Cacophony
- Bangla Meaning: শ্রুতিকটু শব্দ; অমিল।
- English Meaning: harsh or jarring sound.
• Sound
- Bangla Meaning: শব্দ।
- English Meaning: something that you can hear or that can be heard.

• Blunder
- Bangla Meaning: সাঙ্ঘাতিক ভুল।
- English Meaning: a serious mistake, usually caused by not taking care or thinking.
• Mistake
- Bangla Meaning: ভুল; ত্রুটি।
- English Meaning: an action, decision, or judgment that produces an unwanted or unintentional result.

• Analogical Relation:
- Cacophony is a harsh type of sound, just as -
- Blunder is a serious type of mistake.

• Other Options:
খ) Confess
- Bangla Meaning: অপরাধ বা কোনো ভুল কাজ করে ফেলে স্বীকার করা।
- English Meaning: to admit that you have done something wrong or something that you feel guilty or bad about.

গ) Intelligence
- Bangla Meaning: শেখার, বোঝার এবং বিচার করার ক্ষমতা বা যুক্তির উপর ভিত্তি করে মতামত দেওয়ার ক্ষমতা।
- English Meaning: he ability to understand and learn well, and to form judgments and opinions based on reason.

ঘ) Speech
- Bangla Meaning: বক্তৃতা / কথা।
- English Meaning: the ability to talk, the activity of talking.

Source: Merriam-Webster Dictionary, Accessible Dictionary, Cambridge Dictionary.