# Category Archives: Articles

## Placements | QA | AgeApril 13, 2016

Problems on ages basically use formulae from Algebra and do not require any special formula. It is like a question type of algebra. Sample Problems… Read More »

## Placements | QA | Algebra

Algebra questions basically involve modeling word problems into equations and then solving them. Some of the very basic formulae that come handy while solving algebra… Read More »

## Placements | QA | Mixture and AlligationApril 12, 2016

Mixture is a combination of two or more elements to form a third element. The questions from mixture are usually based on Ratio and Proportion… Read More »

## Placements | QA | Ratio Proportion and Partnership

Ratio and Proportion Ratio of two quantities ‘a’ and ‘b’ having same units is simply a / b and is usually written as a:b The… Read More »

## Placements | QA | Percentages

Percentages is an important topic not only from QA point of view, but also because of its extensive use in Data Interpretation. Percentage means per… Read More »

## Placements | QA | Trains, Boats and StreamsApril 9, 2016

We recommend that you read about Time Speed Distance before proceeding on with this topic. Trains If two trains are moving in same direction with… Read More »

## Placements | QA | Time Speed DistanceApril 1, 2016

Time, Speed and Distance (popularly known as TSD) is an important topic for written round of placements for any company. Distance = Speed x Time… Read More »

## Placements | QA | Pipes and CisternsMarch 26, 2016

Pipes and Cisterns are somewhat similar to the concepts of Work and Wages. The problems of pipes and cisterns usually have two kinds of pipes,… Read More »

## HashSet in JavaMarch 19, 2016

HashSet: Implements Set Interface. Underlying data structure for HashSet is hashtable. As it implements the Set Interface, duplicate values are not allowed. Objects that you… Read More »

## Placements | QA | Work and Wages

If a person can do a piece of work in ‘n’ days, then in one day, the person will do ‘1/n’ work. Conversely, if the… Read More »

## Placements | QA | LCM and HCFMarch 15, 2016

Factors and Multiples : All the numbers that divide a number completely, i.e., without leaving any remainder, are called factors of that number. For example,… Read More »

## Placements | QA | Numbers

TYPES OF NUMBERS Integers : All numbers whose fractional part is 0 (zero) like -3, -2, 1, 0, 10, 100 are integers. Natural Numbers :… Read More »

## What’s the difference between Scripting and Programming Languages?March 2, 2016

Basically, all scripting languages are programming languages. The theoretical difference between the two is that scripting languages do not require the compilation step and are… Read More »

## How to prepare in Last 10 days to score high in GATE?January 25, 2016

Dear Gate Aspirant, GATE is one the hardest entrance exam in our country and the basics of all the subjects must be clear to get a… Read More »

## Top 5 Topics for Each Section of GATE CS SyllabusJanuary 18, 2016

Below are the most important topics in all 10 sections of GATE CS Syllabus. The list is prepared accroding to number of questions in previous… Read More »