## [Aptitude] PnC: All possible numbers using 012345, All possible words using ABCDE, Permutation Arrangement Made Easy with and without Formulas

Following types of questions pretty common in competitive exams: How many numbers of five digits can be formed with the digits 1,2,3,4 and 5, without repetition? How many words can be formed using all of the letters from A [...]

## [Aptitude] Data Sufficiency (DS): Simple Equation, Partnership, TnW

DS Case: Simple Equation Rule#1 Remember to Forget Rule#2: Don’t calculate exact value DS Case: Square roots DS case: Partnership DS Case: Time and Work   DS Case: Simple Equation C=a+b, what is the value of C? I. a=5 [...]

## [Aptitude] Time n Work: 4 men and 6 women can complete a work in 8 Days then

This is merely a subtype of Time n Work problems. and can be solved using our good ol' STD table Method. Case 1: Women finish entire job Case 2: Women to finish remaining job Case: Child labour Case 1: [...]

## [Aptitude] TSD: Average Speed made easy without Formulas (Our Good ol’ STD-Table Method!)

If you’ve mastered the STD table method for Time n Work my previous articles, then Average speed is a piece of cake. Absolutely No need to mugup any formula for average speed. Case 1: Distance covered in two phases [...]

## [Aptitude] Partnership and profit-sharing made Easy for CSAT IBPS CAT

Case 1: Two partners join @same time Step 1: Fill up the table Step 2: Find Ratio of Actual investment Step 3: Componendo on Total Profit Case 2: Two Partners join @Different Time Step 1: Fill up table Step [...]

## [Aptitude] Family Trees & Blood Relations: Logical Arrangement Made Easy

Introduction Dataset #1 Step 1: Gender and Generation table Step 2: Checklist Questions based on the Family-Data Dataset #2: UPSC CSP’2000 Step #1: Gender and Generation table Step-2: Run the checklist Step-3: Solve the Question Do eliminate wrong options [...]

## [Aptitude] Logical Arrangement : Circular / Round Table

Introduction Circular arrangement Step 1: Draw the diagrams Step 2: Run the Checklist Step 3: Proceed with questions Introduction There are 4 types of ‘Logical-Arrangement’ questions Circular : Sitting In a Round Table Linear : Sitting in rectangular table [...]

## [Aptitude] Compound Interest Rate, Population Growth without Formulas

Introduction Case: City’s population: Growth Case: City’s Population: Decline Case: Bank’s compound interest rate(CI) Case: CI →Finding Nemo Principal Case: Compounding Twice a Year Case: Compounding thrice a year Case: Wine Replacement (Adulteration) Approach 1: Alligiation loop   Approach [...]

## [Aptitude] Boats and Streams made-easy using our STD-Table Method

Case#1: Basics Case 2: Time same but Different distance covered in each case Case #3: unknown variables Previous Articles I hope you’ve mastered the STD table method from earlier articles on Time and Work / Pipes and Cistern. We [...]

## [Aptitude] Alligations,Mixtures,Alloys: Water,Milk,Wine mixing: Weighted Average Made Easy for CSAT,CAT,CMAT,IBPS Aptitude

Easy Wine and Water Mixing Problem Two Solutions: Selling Price of Wine and Profit Dilution by adding Water in the Wine Average Profit / Interest Rate: Jethalal's Mobile shop Average weight of Group : Gokuldham society's case Recommended Booklist [...]

## [Strategy] The Art of Preparing for Aptitude Exams

Rule #1: Maintain a Diary of Mistakes Rule #2: Get your hands “DIRTY” Rule #3: Know when to give up the fight. The Mock-test “SERIES” for CSAT Previous Articles on Aptitude Rule #1: Maintain a Diary of Mistakes Consider [...]