Cadet College Admission flashcards
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32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Area of a triangle
- The area equals one-half multiplied by the base length multiplied by the perpendicular height, written as A = ½ × b × h.
- Pythagorean theorem
- In a right-angled triangle, the square of the hypotenuse equals the sum of the squares of the other two sides: a² + b² = c².
- Simple interest formula
- Simple interest equals principal multiplied by rate multiplied by time, divided by 100: I = P × R × T / 100.
- LCM and HCF relationship
- For two positive integers, the product of their least common multiple and highest common factor equals the product of the two integers.
- Speed conversion
- To change kilometres per hour to metres per second, multiply by 5/18; to change metres per second to kilometres per hour, multiply by 18/5.
- Present perfect tense
- Formed with has or have plus the past participle, it links a past action to the present, as in 'She has finished her homework'.
- Passive voice
- The object becomes the subject, followed by a form of 'be' and the past participle, often with 'by' plus the original subject.
- Articles a, an, the
- Use 'a' before consonant sounds, 'an' before vowel sounds, and 'the' for specific or already mentioned nouns.
- Affect versus effect
- 'Affect' is usually a verb meaning to influence, while 'effect' is usually a noun meaning a result or consequence.
- First conditional sentence
- It expresses a real future possibility using 'if' plus the present simple in the condition and 'will' plus the base verb in the result.
- Bangladesh Independence Day
- Bangladesh observes Independence Day on 26 March, commemorating the declaration of independence in 1971.
- Victory Day of Bangladesh
- Observed on 16 December, it marks the surrender of Pakistani forces in Dhaka in 1971 and the end of the Liberation War.
- Sundarbans
- The world's largest mangrove forest, located in southwestern Bangladesh, famous for the Royal Bengal Tiger and designated a UNESCO World Heritage Site.
- National symbols of Bangladesh
- The national animal is the Royal Bengal Tiger, the national bird is the oriental magpie-robin (doyel), and the national flower is the water lily.
- National anthem of Bangladesh
- 'Amar Shonar Bangla', written by Rabindranath Tagore, is the national anthem; Kazi Nazrul Islam is the national poet.
- Newton's second law
- The net force on an object equals its mass multiplied by its acceleration, expressed as F = ma.
- Photosynthesis equation
- Six carbon dioxide molecules plus six water molecules, using light energy, produce one glucose molecule and six oxygen molecules.
- pH scale
- A scale from 0 to 14 measuring acidity: values below 7 are acidic, 7 is neutral, and values above 7 are basic.
- Ohm's law
- The voltage across a conductor equals the current through it multiplied by its resistance, written as V = IR.
- Density
- Density equals mass divided by volume; water has a density of about one gram per cubic centimetre, so less dense objects float.
- বাংলা বর্ণমালার স্বরবর্ণ
- বাংলা বর্ণমালায় স্বরবর্ণ ১১টি: অ, আ, ই, ঈ, উ, ঊ, ঋ, এ, ঐ, ও, ঔ।
- সন্ধি
- সন্ধি হলো দুই বর্ণের মিলন; যেমন বিদ্যা + আলয় = বিদ্যালয়।
- সমাস
- সমাস হলো একাধিক পদের এক পদে পরিণত হওয়া; প্রধান প্রকার দ্বন্দ্ব, কর্মধারয়, তৎপুরুষ, বহুব্রীহি ও অব্যয়ীভাব।
- বাক্যের অংশ
- বাক্যের তিনটি প্রধান অংশ কর্তা, কর্ম ও ক্রিয়া; যেমন 'রহিম ভাত খায়' বাক্যে রহিম কর্তা, ভাত কর্ম, খায় ক্রিয়া।
- Five pillars of Islam
- Shahadah (faith declaration), Salah (prayer), Zakat (charity), Sawm (fasting in Ramadan), and Hajj (pilgrimage to Makkah).
- Zakat rate
- Zakat is generally 2.5 percent of qualifying wealth held for one lunar year above the nisab threshold.
- Five daily prayers
- Muslims pray Fajr, Zuhr, Asr, Maghrib, and Isha each day, each within its fixed time window.
- Rightly guided caliphs
- The first four caliphs were Abu Bakr, Umar, Uthman, and Ali, known collectively as the Khulafa-e-Rashidun.
- Topic sentence
- The sentence that states the main idea of a paragraph, usually placed first and supported by the remaining sentences.
- Formal letter structure
- A formal letter includes sender's address, date, receiver's address, salutation, subject line, body, closing, and signature.
- Cohesive devices
- Linking words such as 'however', 'therefore', and 'moreover' that connect sentences and clarify logical relationships in writing.
- Essay structure
- An essay has an introduction stating the thesis, body paragraphs each developing one point, and a conclusion restating and summarizing the main idea.