Relative speed concept Case : Two people start together simultaneously Case: Two people don’t start together TnW= Time and Work TSD=Time speed and Distance. But we solve them using same STD formula, as you’ve seen in my previous articles. TSD got four main type of problems 1. Trains and Platforms 2. Boats and streams 3. Relative speed 4. Circular track. … Read More

Read More...## [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 to E without repetition? How many ways can 5 men be arranged in 5 chairs? Whether it is digits, letters or … Read More

Read More...## [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 II. b=3 Answer choice: A. Question can be answered using statement i alone. B. Question can be answered using statement ii … Read More

Read More...## [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: Women finish entire job 4 men and 6 women can complete a work in 8 days, while 3 men and 7 … Read More

Read More...## [Economy] FCNR Rate Hike to Prevent Rupee Downfall: Meaning, Implications, Explained

What is FCNR? Example SBI FCNR What does SBI do with foreign currency? Why is FCNR in News? Implication of FCNR interest Rate hike What is FCNR? Foreign Currency Non-Resident (FCNR) scheme was launched by RBI in the early 1990s. It allows NRIs to make fixed Deposits (FD) in Indian Banks, in Pound Sterling, US Dollar, Japanese Yen, Euro etc. … Read More

Read More...## [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 Approach #1: Good ol’ STD Table Step1: Fill up all cells of STD Table Step2: Addition Approach #2: Alligiation method Case … Read More

Read More...## [Economy] General Anti-Avodiance Rules (GAAR): Meaning, Pros, Cons, Implications, Explained

## [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 2: Find Ratio of Actual investment Step 3: Apply Componendo on Total Profit Case 3: Three partners join @same time Step … Read More

Read More...## [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 Keep a Watch on the Watch Previous Articles on Aptitude Introduction Family relation / Family tree / Bloodline related aptitude questions … Read More

Read More...## [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 or row Traits: List of people given, A lives in Hyderabad and prefers T and owns Maruti etc. Family trees: A … Read More

Read More...## [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 #2: Compound Interest Case: Adulteration→Finding Original volume Case: Simple interest rate (SI) Case: SI→ Finding Principal Practice Questions for CI/SI Sidenote … Read More

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