# Quantitative Aptitude

 Simple Interest Mensuration Module 1- Simple Interest “Money is not free and it costs to borrow the money. Normally, the borrower has to pay an extra amount in addition to the amount he had borrowed. Read More > Module 2- Mensuration “Mensuration is the branch of mathematics which deals with the study of different geometrical shapes, their areas and Volume. In the broadest sense, it is all about the process of measurement. Read More >
 BOATS & STREAM Time and Work Boat & Stream “Boat and stream problems is a sub-set of time, speed and distance type questions where in relative speed takes the foremost role. We always find several questions related to the above concept in SSC common graduate levelRead More > Time and Work “In these problems the number of persons, quantity of work done and time taken are important factors. Also time taken by a person depends on the efficiency of that person which comes into picture when different people do the work. Read More >
 Relative Speed and Train Time and Distance Relative Speed and Train “Speed has no sense of direction unlike the velocity. Relative speed is the speed of one object as observed from another moving object. Questions on train are the classic examples of relative speed.Read More > Time and Distance In this module we will deal with basic concepts of time and distance, speed, average speed, conversion from km/h to m/s and vice versa. This chapter will form the basis of further concept of relative speed which is used in train and boat problems.Read More >

 Height and Distance Chain Rule Height and Distance “This topic has many practical application in day to day life. In engineering stage it is used in surveying. The basic purpose is to find the unknown variables by observing the angle of the line of sight. This is done by using some the fact that in a right angled triangle the ratio of any two sides is a function of the angle between them..Read More >“ Chain Rule “This module will teach you the basics of direct and indirect proportions. These concepts will further help you in time and work questions…….Read More >
 Mixture and Alligation Percentage Mixture and Alligation “It is the rule which enables us to find the ratio in which two or more ingredients at the given price must be mixed to produce a mixture of a specified price..Read More > Percentage Percent means for every 100 So, when percent is calculated for any value, it means that we calculate the value for every 100 of the reference value..Read More >
 Age problems average Age Problems “1) Ten years ago, P was half of Q’s age. If the ratio of their present ages is 3:4, what will be the total of their present ages?.Read More > Average If a car covers a certain distance at x kmph and an equal distance at y kmph. Then, the average speed of the whole journey = 2xy/ (x+y) kmph..Read More >
 pipes & cistern profit & loss Pipes and Cistern “Inlet is a pipe connected with a tank or cistern or reservoir. It is used to fill the tank..Read More > Profit & Loss “Cost price (CP) is the price at which an article is purchased.Read More >
 surds & indices Surds & Indices “Concepts and Formulas – Algebra (Inclusive of Surds and Indices )More >

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