Mixture and alligation Advance Concepts
Rule of Constant Example 4: How many litres of pure water should be added to 40 litres of 30% milk solution so that the resultant mixture is a 15% milk solution? We can have three different methods to solve the above problems including the rule of alligation. Let us take all of them to strengthen […]
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 […]
3 steps to find last two digits of a number with power
Last Two digits: The objective of this article is to understand the concept and approach to solve questions like: Find the last two digits of \({2^{234}}\) \({31^{123}}\) \({73^{35}}\) There are two-three shortcut approaches to solve the above problems. But before we go and apply the same, we need to understand the following basic points. Finding […]
Maxima Minima : AM-GM Concept
AM-GM-HM Concept A wide variety of questions are being framed in this area. There is no thumb rule to solve all these problems. Many a time, simple observation and hit and trial methods of putting the values work. However, to get the results quickly and accurately, there are specific categories of questions which require knowledge of […]
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 […]
Maxima Minima Concept of Set Theory and Venn Diagram
Maxima Minima Concept based on Set theory or Venn diagram is very important for CAT exam not only in Quant section but more so in LRDI section. Many varieties of questions can be framed from this area. In most of the cases, we are required to find maximum and minimum value in Venn diagram related questions. […]
CAT 17 Verbal Ability Slot 2 Explanations
CAT 17 Verbal Ability Slot 2 Question 25: DIRECTIONS for the question: Identify the most appropriate summary for the paragraph. North American walnut sphinx moth caterpillars (Amorpha juglandis) look like easy meals for birds, but they have a trick up their sleeves—they produce whistles that sound like bird alarm calls, scaring potential predators away. At […]
CAT Online Verbal Ability Course
Welcome to Bodhee Prep’s CAT 2019 online Verbal Course! Well, what is so special about this course? This is the only verbal online course in which you get access to both live sessions as well as video package. We provide 20 live sessions, with each session having 90 mins of input, and our video package […]
CAT 2017 LRDI Set 01 [Video Solution]
CAT 2017 LRDI SET 01 Below find the LRDI Set which appeared in CAT 2017. The set is of moderate difficulty level. Serious and well-prepared aspirants should be able to solve the same within 12 minutes. At the end of the set, you will find the detailed video solution of the set. Logical Reasoning Questions […]
Difference between : Because, Since, As and For
‘Because’ is the most direct and complete word for giving the reason of a thing; for example: I could not arrive on time because the flight was delayed by three hours [here because suggests a direct cause] ‘Since’ is less direct and often indicates a succession in the chain of reasoning, or a natural inference […]