Relative Speed Concept and Questions for CAT Exam
Relative speed concept is can be of great help in solving many questions from time speed and distance in CAT exam. The concept is particularly critical for problems based on trains, and meeting points The idea is simple to understand, and we mainly need to know the working of the concept in the following cases Two bodies moving […]
Average Speed: Time Speed and Distance
Average speed of an object is defined as the ratio of the total distance covered to the total time taken. Mainly there are two different types of questions based on the concept of average speed. The first type is when a body travels the same distance at different speeds i.e. the distance is constant. And […]
Concept of average and short tricks [Method of Deviation] for CAT Exam
Concept of averages for CAT An average is yet another essential concept for the CAT and other competitive exams. Most of us have a fair understanding of the average or mean. However, the questions from average which appear in competitive exams are tricky and often calculation intensive if we apply the standard approach. In this article, […]
Boats and Streams: Formulas Concepts and Questions for CAT Exam
Boats and Streams is an essential topic for many competitive exams. Many varieties of questions can be framed from this area. We use the fundamental concepts of time speed and distance only to solve elementary questions on Boats and Streams. However, some types of questions are tricky and take lots of time to solve by […]
Mixture and Alligation Concepts | Tricks | Formulas for CAT Exam
Table of Content Concepts and Formulas Tricks Rule of Constant Mixing with replacement Two different Mixture Practice Problems Questions from Mixtures and Alligation topic have increased in recent CAT exam. Usually, we apply the concepts and formulas of weighted average, percentages and ratios to solve such questions. A shortcut tricks of the criss-cross method is […]
AM-HM Concept : Time Speed and Distance
AM-HM Concept: The AM-HM concept states that if the speeds are in arithmetic progression/ harmonic progression then, the corresponding time taken are in harmonic progression /arithmetic progression and vice versa. Note: We use this AM-HM concept only when the same distance is traveled at different speeds. Here is the proof of AM-HM Concept Say, a […]