Delhi Police Head Constable Ministerial flashcards
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32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Delhi Police headquarters
- The Delhi Police is headed by a Commissioner and functions under the Ministry of Home Affairs; its headquarters is located at Jai Singh Road, New Delhi, in the central part of the capital.
- Article 32
- Article 32 gives citizens the right to move the Supreme Court directly for enforcement of Fundamental Rights. Dr. Ambedkar called it the heart and soul of the Constitution.
- 42nd Amendment 1976
- This amendment added the words socialist, secular and integrity to the Preamble and is often called the mini-Constitution because of its wide-ranging changes to the constitutional structure.
- National bird of India
- The Indian peacock is the national bird of India. The Bengal tiger is the national animal, the lotus the national flower, and the Ganga the national river.
- Opposite letter rule
- In the English alphabet, the opposite of a letter at position n is the letter at position 27 minus n. So A pairs with Z, B with Y, and C with X.
- Syllogism valid conclusion
- In syllogism, a conclusion is valid only if it is true in every possible Venn diagram of the premises. Conclusions that hold in just one arrangement are rejected.
- Direction displacement formula
- For right-angled movement, the shortest distance between start and end points equals the square root of the sum of the squares of the two perpendicular displacements, by Pythagoras theorem.
- Blood relation: nephew
- The son of one's brother or sister is a nephew. The daughter of a sibling is a niece, and the brother of one's father or mother is an uncle.
- Successive percentage change
- When a quantity changes by a percent and then by b percent, the net change is a plus b plus ab divided by 100 percent, not simply a plus b.
- Compound interest formula
- The amount after T years at rate R percent is P times (1 plus R divided by 100) raised to the power T. Compound interest equals amount minus principal.
- km/h to m/s
- To convert kilometres per hour to metres per second, multiply by 5 divided by 18. To convert the other way, multiply by 18 divided by 5.
- HCF and LCM relation
- For any two positive integers, the product of their HCF and LCM equals the product of the two numbers. This identity helps find one value when the other is known.
- Time and work together
- If A alone finishes work in x days and B in y days, working together they finish it in xy divided by (x plus y) days, since their rates add.
- Net loss on equal sale
- If two articles are sold at the same price, one at x percent profit and the other at x percent loss, the seller always suffers a net loss of x squared divided by 10 percent.
- Divisibility by 11
- A number is divisible by 11 if the difference between the sum of digits in odd places and the sum in even places is zero or a multiple of 11.
- Subject-verb agreement with nor
- With either-or and neither-nor constructions, the verb agrees with the subject nearer to it. So 'Neither the boys nor the teacher was present' uses a singular verb.
- Since versus for
- Use 'since' with a specific point of time, as in since 2010 or since Monday. Use 'for' with a duration, as in for three years or for two hours.
- Affect versus effect
- Affect is normally a verb meaning to influence, while effect is normally a noun meaning a result. The medicine affected him; its effect was quick.
- Omniscient one-word substitution
- Omniscient means one who knows everything. Similar substitutions include omnipotent for all-powerful, omnipresent for present everywhere, and philanthropist for a lover of mankind.
- Let the cat out of the bag
- This idiom means to reveal a secret carelessly or by mistake. It is used when confidential information becomes known unintentionally.
- Passive voice formation
- To form the passive, move the object to the subject position, use the correct tense of 'be' with the past participle, and add 'by' before the original subject.
- स्वर और व्यंजन की संख्या
- हिंदी वर्णमाला में स्वर 11 और व्यंजन 33 माने जाते हैं। स्वर के ह्रस्व, दीर्घ और प्लुत तीन भेद तथा व्यंजन के स्पर्श, अंतःस्थ और ऊष्म भेद होते हैं।
- दीर्घ संधि का उदाहरण
- जब ह्रस्व या दीर्घ स्वर के बाद उसी प्रकार का स्वर आता है तो दोनों मिलकर दीर्घ बन जाते हैं, जैसे विद्या + आलय = विद्यालय।
- कर्मधारय समास
- जिस समास में पूर्व पद विशेषण और उत्तर पद विशेष्य होता है, उसे कर्मधारय समास कहते हैं, जैसे नीलकमल अर्थात नीला है जो कमल।
- उपसर्ग और प्रत्यय
- उपसर्ग शब्द के आदि में जुड़कर अर्थ बदलता है, जैसे अनु + शासन = अनुशासन। प्रत्यय शब्द के अंत में जुड़ता है, जैसे लड़क + पन = लड़कपन।
- मुहावरा: नाक में दम करना
- इस मुहावरे का अर्थ है किसी को अत्यधिक परेशान करना या तंग करना। वाक्य में: बच्चों ने शोर मचाकर माँ की नाक में दम कर दिया।
- तत्सम और तद्भव
- तत्सम शब्द संस्कृत से बिना बदलाव के आए हैं, जैसे दुग्ध और अग्नि। तद्भव शब्द उनके परिवर्तित रूप हैं, जैसे दूध और आग।
- Ctrl plus Z
- Ctrl plus Z undoes the last action in most Windows applications. Ctrl plus Y redoes it, and Ctrl plus S saves the current document.
- Excel cell reference B4
- In MS Excel, B4 refers to the cell in column B and row 4. Columns are lettered and rows are numbered; a formula in any cell must begin with an equals sign.
- RAM versus ROM
- RAM is volatile primary memory that loses its contents when power is switched off. ROM is non-volatile memory that retains data permanently and usually stores startup instructions.
- Touch typing home row
- In touch typing the fingers rest on A S D F for the left hand and J K L semicolon for the right. The raised bumps on F and J help locate keys without looking.
- Typing accuracy formula
- Typing accuracy is calculated as the number of correct characters divided by the total characters typed, multiplied by 100. Net speed also subtracts penalty for errors.