CAPF ASI Stenographer flashcards
CAPF ASI Stenographer · Build recall with a focused review session.
32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Opposite letter pair sum
- In the English alphabet, letters opposite each other (A-Z, B-Y, C-X) have position numbers summing to 27, useful for coding-decoding questions.
- Rank from both ends
- If a person ranks nth from the left and mth from the right in a row, the total number of persons equals n + m - 1.
- Syllogism validity rule
- A conclusion follows only if it is true in every possible Venn diagram of the premises; a single counter-diagram makes it invalid.
- Blood relation tree method
- Represent generations with vertical lines and spouse or sibling links with horizontal lines; this prevents confusing uncles, cousins, and in-laws.
- Mirror image symmetry letters
- Letters A, H, I, M, O, T, U, V, W, X, Y have vertical symmetry, so they look unchanged in a mirror placed at the side.
- Number series check order
- Test differences first, then second differences, then ratios, then alternating or prime-based sub-series before declaring a rule.
- Direction displacement
- After tracking turns as 90-degree rotations, straight-line distance between start and end is found using the Pythagoras theorem.
- Constitution adoption dates
- The Indian Constitution was adopted on 26 November 1949 and came into force on 26 January 1950, now celebrated as Republic Day.
- Fundamental Rights articles
- Fundamental Rights are contained in Part III of the Indian Constitution, spanning Articles 12 to 35, including equality, freedom, and constitutional remedies.
- Tropic of Cancer states
- The Tropic of Cancer passes through eight Indian states, from Gujarat and Rajasthan in the west to Mizoram in the east.
- National aquatic animal
- The Ganges river dolphin is India's national aquatic animal; the Bengal tiger is the national animal and the peacock the national bird.
- SI unit of pressure
- Pressure is measured in pascal, force in newton, energy in joule, power in watt, and frequency in hertz in the SI system.
- Election Commission article
- Article 324 of the Indian Constitution establishes the Election Commission; the CAG is under Article 148 and UPSC under Article 315.
- Battle of Plassey
- Fought in 1757, the Battle of Plassey established British East India Company dominance in Bengal under Robert Clive against Siraj-ud-Daulah.
- WHO headquarters
- The World Health Organization is headquartered in Geneva, while the UN is in New York, IMF in Washington DC, and SAARC in Kathmandu.
- Successive percentage change
- Two successive changes of a percent and b percent give a net change of a + b + ab/100, where signs indicate increase or decrease.
- Equal profit and loss trap
- Selling two articles at the same price with equal percentage gain and loss always yields a net loss of x squared by 100 percent.
- Compound interest formula
- Compound interest equals P times (1 + R/100) raised to T, minus P, where P is principal, R the rate, and T the time in years.
- km/h to m/s conversion
- To convert kilometres per hour to metres per second, multiply by 5/18; to reverse the conversion, multiply by 18/5.
- Train crossing platform
- Time to cross a platform equals the sum of train length and platform length divided by the train's speed in consistent units.
- Alligation ratio rule
- The ratio of two mixed quantities equals mean price minus cheaper price, divided by dearer price minus mean price.
- Work together formula
- If A finishes work in x days and B in y days, working together they finish it in xy divided by x + y days.
- Sphere volume
- The volume of a sphere is four-thirds pi r cubed, and the volume of a cylinder is pi r squared h.
- Two-year CI minus SI
- For two years, compound interest exceeds simple interest by P times (R/100) squared, where P is principal and R the annual rate.
- Subject-verb agreement basic
- A singular subject takes a singular verb; phrases like 'one of the boys is' and 'each of the students has' follow this rule.
- Article by sound
- Use 'a' before a consonant sound and 'an' before a vowel sound, so 'an hour' and 'a university' are correct.
- Since versus for
- Use 'since' with a specific point of time and 'for' with a duration, as in 'since 2010' and 'for five years'.
- Present perfect use
- The present perfect, formed with has or have plus past participle, expresses a past action that still affects the present.
- Passive voice formation
- In passive voice the object becomes subject, the verb becomes be plus past participle, and the doer follows 'by'.
- Latin root bene
- The root 'bene' means good, as in beneficial and benevolent, while 'mal' means bad, as in malicious and malady.
- Idiom once in a blue moon
- The idiom 'once in a blue moon' means something happens very rarely, not that it happens at night or monthly.
- Double comparative error
- Using two comparative forms together, as in 'more better', is grammatically wrong; only one comparative marker is allowed.