- Studyplans for Aptitude Exams
- Percentages, Marked Price, Discount, Bank Interest
- Number System
- Averages, Alligiations, Wine-Water
- Time Speed Distance Work
- Trigonometry for SSC & CDS
- Permutation Combination Probability (PCP)
- Reasoning: Syllogism
- Reasoning: Others
- Aptitude Answerkeys
- Comprehension English reading
- 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

For how to prepare Maths, English & reasoning at home, without coaching!

### UPSC CSAT Prelims Paper 2

- Comprehension and Reasoning
- Mathematics & Data Interpretation: high priority topics
- 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

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