[Aptitude] Archive of All Aptitude articles written by Mrunal for UPSC, CSAT, IAS,IPS,SSC,CDS,CAPF,IBPS exams

1. Studyplans for Aptitude Exams
2. Percentages, Marked Price, Discount, Bank Interest
3. Number System
4. Averages, Alligiations, Wine-Water
5. Time Speed Distance Work
6. Trigonometry for SSC & CDS
7. Permutation Combination Probability (PCP)
8. Reasoning: Syllogism
9. Reasoning: Others
10. Aptitude Answerkeys
11. Comprehension English reading
12. Statistics for Mains

Archive page for all the aptitude, Maths, English, reasoning related articles published for CSAT, SSC, CDS, CAT and other competitive exams

Studyplans for Aptitude Exams

UPSC CSAT Prelims Paper 2

1. Comprehension and Reasoning
2. Mathematics & Data Interpretation: high priority topics
3. Decision Making + Mathematics: Medium & low priority topics

Bank PO & Clerks

• IBPS CWE PO/MT: Quantitative Aptitude, Maths, Data Interpretation (DI), Speed Maths
• IBPS CWE PO/MT: Reasoning, topicwise analysis, priority topics, syllogism, assumption-inference, sitting arrangement, Non-Verbal, data sufficiency
• IBPS CWE PO/MT: English, Grammar, Comprehension, Sentence Arragenment
• SBI PO Reasoning (High Level): Topicwise Approach, booklist, strategy, Cutoffs

RBI jobs

• RBI Grade B Officers (Preliminary) Objective Phase-I Exam : Booklist, Strategy, Previous question Paper
• RBI Assistant exam, Topicwise booklist, strategy, Free studymaterial, previous years paper, cut offs

Staff Selection

• SSC-CGL: Maths, Quantitative Aptitude, Algebra, Trigonometry: Approach, Booklist, Strategy, Free Studymaterial 2013 for Combined Graduate Level Exam Tier 1, 2
• ACIO Assistant Central Intelligence officer : Maths, Reasoning, English
• SSC-CGL Logical Reasoning, General Intelligence: preparation strategy, approach, roadmap, booklist
• [Strategy] The Art of Preparing for Aptitude Exams

CDS Combined Defence Services

1. Maths Paper: Number System, Quadratic Equations, Surds, Indices, Linear Equation (Part 1 of 3)
2. Maths Paper: Percentages, profit-loss, Simple,Compound Interest rate,Time,Speed,Distance,Work and Statistics (part 2 of 3)
3. Maths Paper: Geometry, Trigonometry, Mensuration, Area, Volume, Perimeter (Part 3 of 3)

Others

• CAT (Common Admission Test): Booklist, Strategy, Tips, How to Get more than 95 Percentile by maintaing diary of mistakes
• UPPCS Preliminary Exam Paper 2: Aptitude, Maths, Reasoning, Decision Making, English, Hindi, free studymaterial & previous papers

Percentages, Marked Price, Discount, Bank Interest

• [Aptitude] Long Division, Two-Digit Division, % Calculation without Tears (and without boring Vedic Maths) using % Approximation Method
• [Aptitude] Concepts of Marked Price and Successive Discounts (Profit-Loss) without (stupid) formulas
• [Aptitude] Compound Interest Rate, Population Growth without Formulas
• [Aptitude] Product Consistency: If Sugar price increases then consumption should be Decreased by What %, Time-Speed-Distance problems, shortcuts for SSC, IBPS, CSAT, CAT
• [Aptitude] Data Interpretation (DI): Bar and Pie chart practice Questions with Explanation
• [Aptitude] Partnership and profit-sharing made Easy for CSAT IBPS CAT

Number System

• [Aptitude] LCM, HCF, GCD: Basic concept, calculation, applications explained
• [Aptitude] Remainder: One number and two divisors (Number Theory)

Averages, Alligiations, Wine-Water

• [Aptitude] Alligations,Mixtures,Alloys: Water,Milk,Wine mixing: Weighted Average Made Easy for CSAT,CAT,CMAT,IBPS Aptitude
• [Aptitude Q] Mixture and Alligiation: Change Alcohol concentration from 15% to 32%
• [Aptitude] Averages: Entry / Removal of 1 element => Increase / Decrease in Average Shortcut method explained
• [Aptitude] Averages: More than two elements added / removed : shortcut technique explained
• [Aptitude] Alligation: Advanced applications in Interest rates, Profit-loss, Average Wages (Wine-Water Concept)

Time Speed Distance Work

• [Speed Time Work] Two Men can finish a work, A is 3x more efficient than B, B leaves before completion & variety of cases
• [Speed Time Work] Three men can finish a work in x days, A & B start work, C joins after x day, share in wages & other special cases
• [Aptitude] Trains, Platforms TSD (Time,Speed,Distance) made easy
• [Aptitude] Boats and Streams made-easy using our STD-Table Method
• [Aptitude Q] STD table : Application in train man bridge, time and work problems
• [Aptitude] Time n Distance: Early and late to office (shortcut using product consistency method) for SSC, IBPS, CSAT, CAT, CMAT
• [Aptitude] Food/Water will last for how many days?
• [Aptitude] TSD: Relative speed, Moving towards eachother
• [Aptitude] Data Sufficiency (DS): Simple Equation, Partnership, TnW
• [Aptitude] Time n Work: 4 men and 6 women can complete a work in 8 Days then
• [Aptitude] TSD: Average Speed made easy without Formulas (Our Good ol’ STD-Table Method!)

Trigonometry for SSC & CDS

This topic is Important for SSC, CAT and CDS exam. Not asked elsewhere.

Type#1: Height-Distance Questions

• [Trigonometry] Introduction, Types of Questions, Shortcut for memorizing 30,45,60 for SSC CGL CDS
• [Trigonometry] HnD Type #1: One Building One Angle finding height, distance or hypotenuse
• [Trigonometry] HnD Type #2: Broken Trees and Telegraph Poles: Finding original height
• [Trigonometry] HnD Type #3: One Building Two Angles made easy for SSC
• [Trigonometry] HnD Type #4: Two Buildings-Two Angles made easy for SSC
• [Trigonometry] HnD Type #5: Finding speed, time or distance made easy for SSC

Other types

• [Trigonometry] Type#2: Table based questions, memorization technique, approach explained for SSC CGL
• [Trigonometry] Type#3: Complimentary Angles related Questions and approach for SSC CGL
• [Trigonometry] Type#4: Questions based on Trig and Algebra combo
• [Trigonometry] Type #5: Finding Minimum Maximum Values for SSC CGL Made Easy without differentiation

Permutation Combination Probability (PCP)

Was a hot topic back in the 90s era. But nowadays hardly any question come from this.

• [Aptitude] Permutation Combination made easy without Formulas
• [Aptitude] PnC: arrange such that two people Always sitting together?
• [Aptitude] Probability Made Easy (Extension of Permutation Combination Concept!)
• [Aptitude] PnC: How many Ways to arrange letters of word “RECUPERATE” (Permutation without Formulas)
• [Aptitude] PnC: All possible numbers using 012345, All possible words using ABCDE, Permutation Arrangement Made Easy with and without Formulas

Reasoning: Syllogism

• [Reasoning] Syllogism (All Cats are Dogs): Method, approach, techniques, shortcuts explained for IBPS, SSC, CSAT and CAT
• [Reasoning] Three-Statement Syllogism: technique, method, shortcuts for IBPS, SSC, CSAT, CAT, CMAT
• [Reasoning Q] 3-Statement Syllogism doubt Question: Apples, Mangoes, Vegetarians
• [Reasoning] 4-Statement Syllogism: Approach, Techniques, explained for SBI PO (High level reasoning) and UPSC CSAT paper 2

Reasoning: Others

• [Reasoning] Logical Connectives (if, unless, either or) for CSAT, CAT shortcuts formulas approach explained
• [Reasoning] Calendar Questions: Finding day or date, concepts, shortcuts explained
• [Aptitude] Family Trees & Blood Relations: Logical Arrangement Made Easy
• [Aptitude] Logical Arrangement : Circular / Round Table

Aptitude Answerkeys

• [Answerkey] CAPF-2013: Aptitude, Maths, Reasoning, Data interpretation solved with explanation
• [ACIO-2013] Aptitude (Maths, Reasoning, English) Answerkey with explanations, shortcuts

Comprehension English reading

• [Strategy] Comprehension for CSAT Paper 2: Rules, tips, assumption, inference, free practice material (500+ passages!)
• [Comprehension] Solved Passages from CSAT 2011, with explanation and approach

Statistics for Mains

This is no longer part of UPSC syllabus but still some state service class 1 class 2 exam have it. So, use it accordingly.

• [Statistics 4GS] Finding Maximum age among youngest 30% of brides, Cumulative Freq. KPSC Exam Q
• [Statistics 4GS] Scatter-plot Graph Question from GS (Mains) 2012: Solution, Explanation, Sample Graph
• [Statistics for GS] Continuous Data Series: Find Standard Deviation, MD,QD,Median and Mode (Youtube Videos)
• [Statistics for GS] Discrete Data: Find Standard Deviation, Mean Deviation, QD, Mean,Median and Mode (Youtube Videos)
• [Statistics for GS] Ungrouped Data: Mean Median Mode,QD,MD and SD (Youtube Videos)
• [Statistics for GS] How to Draw Pie Chart in UPSC GS Mains Exam? (Youtube Video)
• [Statistics for GS] Finding Missing Frequency in a Continuous Series (UPSC Mains)