14
16
15
30
Source: NSI জুনিয়র_ফিল্ড_অফিসার 24.09.2021
Answer: 15
Explanation:
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You should read | Topic
অসমতা (Inequality)
সংখ্যা পদ্ধতি
নল ও চৌবাচ্চা (Pipes and Cistern)
জ্যামিতি (Geometry)
শতকরা ও লাভ-ক্ষতি (Percentage and Profit and loss)
বাংলা সাহিত্যঃ প্রাচীন ও মধ্য যুগ
ক্রম ও ধারা (Sequence & Series)
Speech or Narration Change
প্রবন্ধ ও বিভিন্ন রচনাবলী
Affirmative and Negative Agreement
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