## Probability – Basic Concepts, Formulas, Tricks, Solved Problems

Probability Probability is a measure of the likelihood of an event to occur. Probability is a type of ratio where we compare how many times an outcome can occur compared to all possible outcomes. Probability P (E) = Number of Wanted Outcomes / Number of Possible Outcomes Probability is always…

## True Discount Quantitative Aptitude (MCQ) Questions & Answers – Shortcuts & Tricks for Competitive Exams

Discount Present Value: The money to be paid before the due date to clear off debt is called present worth. True Discount: The difference between the amount due and the present value or worth of the amount is called the true discount. In other words, it is an interest in the…

## Simple and Compound Interest – Practice Questions, Shortcuts, Important Formulas

Simple and Compound Interest Principal: The money borrowed or lent out for a certain period is called the principal or the sum. Interest: Extra money paid for using other's money is called interest. Simple Interest (SI): If the interest on a sum borrowed for a certain period is reckoned uniformly,…

## Aptitude Boats and Streams Concepts, Important Formulas, Solved Questions & Answers,

Boats and Streams Still water: The water of a river or any other water body which is not flowing is known as still water. Stream: It is the flowing water of a river that is moving at a certain speed. Upstream: The boat or a swimmer moving against the stream is known…

## Pipes and Cisterns Solved Problems & Solutions with Explanation

Pipes and Cisterns A pipe is connected to a tank or cistern which will be used to fill or empty the tank. Accordingly, it is known as an inlet or an outlet. Problems on pipes and cisterns are similar to problems on time and work. Inlet: A pipe connected to…

## Problems on Ages – Basic Concepts, Shortcuts & Aptitude Questions

Ages Learn and practice Problems on Ages with the help of Solved Aptitude Questions & Answers given here. Each given question of the Ages topic is accompanied by a clear and easy explanation with diagrams, formulae, shortcuts, and tricks. So let's check out them in an easy understanding of the…

## Volume and Surface Area – Solid Figures Aptitude Questions & Answers, Important Topics!!

Solid Figures Anything that occupies space is called a Solid. With Area, a solid figure has Volume also. Length, Breadth, and Height are three dimensions. CUBOID Let length = l, breadth = b and height = h units. Then Volume = (l x b x h) cubic units. Surface area = 2(lb + bh + lh) sq. units. Diagonal = Square root of l2 + b2 + h2 units. CUBE…

## How to Solve Dice Problems | Dice Aptitude Question & Answers for Competitive Exams!!

Dice Problems Dice is a cube. And cube having 6 faces. Dice is a part of the logical reasoning section of aptitude. And check below figure to know complete about Problems on Dice. 6 Faces - ABCG, GCDE, DEFH, BCDH, AGEF, and ABHF. Always four faces are adjacent to one…

## Mixture and Alligation Practice Questions & Answers with Explanation

Mixture and Alligation Allegation is a rule allowing one to find the ratio in which two or more ingredients must be combined at the specified price to create a mixture of the desired amount. The segment on Mixture and Alligation Practice Questions has questions about Alligation, Mean Price, and the…

## Time and Distance Aptitude Questions and Answers!!

Time and Distance Speed = Distance / Time, Distance = (Speed x Time), Time = Distance / Speed km per hr to m per sec conversion x km/hr = (x*5/18) m/sec. m/sec to km/hr conversion x m/sec = (x *18/5) km/hr. If the ratio of the speeds of A and…

## Partnership Aptitude Concepts and Problems

Partnership The partnership is an important topic in competitive exams quantitative aptitude section. Aspirants wishing to learn the basics of the Aptitude Questions for Partnership must focus on this page. Questions about the partnership are based on the principle of ratio and proportion. Important Concepts & Formulas Partnership: When two…

## Heights and Distances – Aptitude General Questions & Answers!!

Heights and Distances Learn and practice Aptitude on "Height and Distance" with solved Aptitude Questions and Answers provided here. Check out Concepts, Formulas for Heights, and Distances. We have shared General Aptitude Question & Answers for Heights and Distances with a clear explanation. Angle of Elevation   Suppose a man…

## Geometry and Mensuration – Aptitude Basics, Formulas, Concepts!!

Geometry and Mensuration Mensuration is the mathematics branch that deals with the analysis of geometric shapes, its area, distance, and various geometric object parameters. "Geo" means "Earth," and "Metry" means "Measure."Geo - metry, therefore, is simply 'Measurement of earth ' Traditional geometric concepts are called Euclidean geometry (principally in two…

## Races and Games – Aptitude Questions and Answers with Explanation!!

Races and Games A race is a game in which the speed of driving, swimming, sailing, rowing, jumping can be calculated, etc. This is calculated over a certain distance. Generally, every race is a starting point and an endpoint. The endpoint is also known as the winning point. Since Races…

## Problems on Trains Questions And Answers!! Concepts and Formulas

Trains The Train Problems are a little different from regular object motion problems. This is due to the finite size of the trains. Many standard train issues arise as a result of the length of the trains. If two trains of lengths P and Q move in opposite directions at…

## Time, Work and Wage – Concepts, Shortcuts, Aptitude Questions with Explanation!!

Time, Work and Wage Time and Work is one of the most robust concepts of Aptitude. Wages are paid in proportion to the work performed and in proportion to the time taken by the worker in the indirect (or inverse) way. Money earned by a person for a certain work…