General Knowledge
Bharat Ratna First Three — Remember "CVR" (Chakravarti Rajagopalachari, C.V. Raman, Sarvepalli Radhakrishnan) as the first three recipients in 1954-1955.
BRICS Nations — "BRICS" itself: Brazil, Russia, India, China, South Africa. Founded 2009; South Africa joined 2010.
Monsoon Onset Memory — Southwest monsoon hits Kerala June 1 (±7 days), retreats from Rajasthan Sept 1. "June-in, September-out."
Five-Year Plan Landmarks — 1st Plan (1951) focused agriculture; 2nd Plan (1956) Mahalanobis model-heavy industry; remember "Agri-first, Industry-second."
Directive Principles Article — Articles 36-51 cover DPSP. Remember "36 to 51 = Directives to build nation."
UN Big Six Organs — "GAS ESC IT": General Assembly, Security Council, Economic & Social Council, International Court, Trusteeship (inactive), Secretariat.
Indian History
1857 Revolt Centers — "MDBKLJ": Meerut, Delhi, Barrackpore, Kanpur, Lucknow, Jhansi—key uprising locations.
Vedas Chronology — "RYSAV" (oldest to newest): Rig, Yajur, Sama, Atharva Veda.
Quit India Date — August 8, 1942 = "8/8/42" (two eights, four-two). Bombay session launched movement.
Gupta Dynasty Golden Age — Chandragupta I (320 CE), Samudragupta (expansion), Chandragupta II (peak culture). Remember "I-Sama-II" sequence.
Battle Years Trick — Plassey 1757, Buxar 1764, Panipat-III 1761. "57-61-64" ascending with 1761 in middle.
Indian Polity
Fundamental Rights Articles — Articles 12-35. Remember "12 to 35 = Dozen-plus freedoms."
Three Lists Subjects — Union (97 subjects), State (66), Concurrent (47). "Big Union, small State, medium Concurrent."
President's Veto Types — Absolute, Suspensive, Pocket. "ASP" for Presidential veto powers.
Constitutional Amendment Majority — Special majority = 2/3 present + 50% total. "Two-thirds show-up, half total strength."
Indian Geography
Coastal Length States — Gujarat (1600 km) longest; remember "Gujarat Gains Coast Crown."
Tributary Trick Ganga — Right bank: Yamuna, Son (snow-fed, Himalayan). Left bank: Gomti, Gandak, Kosi (rain-fed). "Right is Bright (clear), Left is Lift (flood-prone)."
Passes of India — Northern passes: "ZBSNK": Zoji La, Banihal, Shipki La, Nathu La, Khyber.
Mathematics
Divisibility by 11 — Alternating digit sum equals zero or multiple of 11. Example: 121 → (1+1)−2=0, divisible.
Percentage-Fraction Quick Links — 12.5%=1/8, 16.66%=1/6, 20%=1/5, 25%=1/4, 33.33%=1/3, 50%=1/2. Memorize for fast calculation.
Simple Interest Formula — SI = PRT/100. "PRINT" without 'N' = SI formula components.
Time-Speed-Distance Triangle — Cover D, you get S×T; cover S, you get D/T; cover T, you get D/S. Draw triangle: D on top, S and T at base.
Average Addition Trick — When n+1th item added, new average = old avg + (difference/n+1). Saves recalculation time.
Mensuration Quick: Sphere — Surface area = 4πr², Volume = 4/3πr³. "Surface is 4, Volume adds ⅓."
Reasoning and Aptitude
Blood Relation Symbols — Use +male, −female, ×married, ⊕divorced. Quick diagramming saves 30 seconds per question.
Calendar: Odd Days — Ordinary year=1, Leap=2. Century: 1600,2000=0; 1700,1800,1900=−1 (or 6). "400 years = 0 odd days cycle."
Coding: Letter-Number — A=1, Z=26. Reverse: A=26, Z=1. EJOTY positions: 5,10,15,20,25 (multiples of 5).
Direction Final Position — After turns, use "NESW" clockwise. Right turn = next letter, Left = previous letter.
Syllogism Venn Method — Always draw circles for All/Some/No statements. "Some" statements never lead to "All" conclusions.
Madhya Pradesh General Knowledge
MP Formation Date — November 1, 1956 (Reorganization). "1-11-56": remembers as "One-Eleven-FiftySix."
Tribes of MP Mnemonic — Major: "BGKS": Bhil, Gond, Korku, Sahariya. Bhil (largest population), Gond (highest numbers).
Rivers Origin Points — Narmada from Amarkantak, flows west. Tapti parallel, also westward. "Narmada-Tapti = Westward Sisters."
MP National Parks — "KBPSMV": Kanha, Bandhavgarh, Pench, Satpura, Madhav, Van Vihar. Six major parks.
MP Minerals Memory — Diamond (Panna only Indian source), Copper (Malanjkhand Asia's largest), Manganese (Balaghat). "PCM = Panna-Copper-Manganese."
Historical Capitals — Ujjain (ancient Avanti), Mandu (Malwa Sultanate), Gwalior (Scindias). "UMG" chronology trick.
General Hindi
Sandhi Types — "SWV": Swar (vowel), Vyanjan (consonant), Visarg. Three main categories only.
Alankar Division — Shabdalankar (word-based: Anuprash, Yamak, Pun) vs Arthalankar (meaning-based: Upma, Rupak, Utpreksha). "Shabd=Sound, Arth=Sense."
Samas Six Types — "ABTKDD": Avyayibhav, Bahuvrihi, Tatpurush, Karmadharaya, Dvigu, Dvandva.
Ras Nine Types — "SHKRVBAY": Shringar, Hasya, Karuna, Raudra, Veer, Bhayanak, Adbhut, Vibhatsa, Shanta (9th added later).