Category: Maths

Quantitative Aptitude Formulas

Exams approaching! Last minute revisions! Skimming through the notes! The exact scene before exams,isnt’t it? So,here we come to your rescue with the compilation of all the important formulas for revision at your disposal....

Time and Work

  1. If A can do a piece of work in n days, then A’s 1 day work = 1/n 2. If A’s 1 day’s work = 1/n, then A can finish the work...

Time,Speed & Distance

  Important Formulae: i) Speed=Distance/Time ii) Time=Distance/speed iii) Distance = speed*time iv) 1kmhr=518ms v) 1ms=185Kmhr vi) If the ratio of the speed of A and B is a:b,then the ratio of the time taken...

Probability

  Probability Probability is the measure of how likely an event is. And an event is one or more outcomes of an experiment. Probability formula is the ratio of number of favorable outcomes to...

Percentage

  The word percent can be understood as follows: Per cent => for every 100. So, when percentage is calculated for any value, it means that you calculate the value for every 100 of...

Number System

Types of Numbers: I. Natural Numbers: Counting numbers are called natural numbers II. Whole Numbers: All counting numbers together with zero form the set of whole numbers. Thus, (i) 0 is the only whole...

Mixture & Alligation

  Mixture Mixing of two or more than two type of quantities gives us a mixure. Quantities of these elements can be expressed as percentage or ratio. i.e. Percentage (20% of sugar in water)...