# Category Archives: QA – Placements

## Quantitative Aptitude: Maths Tricks | Set 1 (Squares of numbers)September 15, 2017

The written round for most companies contains questions from quants(Quantitative Aptitude). There are two factors which determines score in quants, speed and accuracy. In this… Read More »

## Placements | QA | RaceApril 22, 2016

When 2 or more people compete to reach a certain point, they are said to be participating in a race. Start : If one person… Read More »

## Placements | QA | Probability

Sample Space (S) : The set of all possible outcomes of an event Probability : The likeness of an event to happen Probability = Number… Read More »

## Placements | QA | Permutation and Combination

Factorial : The factorial of ‘n’, written as n ! = n x (n-1) x (n-2) x (n-3) x … x 3 x 2 x… Read More »

## Placements | QA | Calendar

In Calendar, questions are mainly based on finding the day of the week if we are given a date. For example, we may be asked… Read More »

## Placements | QA | Trigonometry & Height and Distances

From this topic, usually, questions from heights and distances is asked. Sometimes, it has been observed that straight forward questions from trigonometric ratios such as… Read More »

## Placements | QA | Mensuration 3D

Mensuration 3D deals with shapes like cube, cuboid, sphere etc. The problems are generally based on volume and surface area. Cuboid Let the length, breadth… Read More »

## Placements | QA | Mensuration 2DApril 20, 2016

Mensuration 2D mainly deals with problems on perimeter and area. The shape is two dimensional, such as triangle, square, rectangle, circle, parallelogram, etc. This topic… Read More »

## Placements | QA | ProgressionsApril 19, 2016

Progressions (or Sequences and Series) are numbers arranged in a particular order such that they form a predictable order. By predictable order, we mean that… Read More »

## Placements | QA | Clocks

The problems in Clocks usually deal with finding the angle between the hour hand and the minute hand, number of times the two hands coincide,… Read More »

## Placements | QA | Simple InterestApril 18, 2016

The amount which is lent / deposited is called Principal The money that the principal generates is called Interest. This is the money generated as… Read More »

## Placements | QA | Compound Interest

The amount which is lent / deposited is called Principal The money that the principal generates is called Interest. This is the money generated as… Read More »

## Placements | QA | Profit and Loss

Profit and Loss is a topic that is definitely asked in every placement exam. While the questions are not too tricky, some require deeper understanding… Read More »

## 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 »