May 22, 2022

Number Systems forms the base for Quantitative Ability and clearing of concepts is important for CAT and other management exams. A measurement carried out, of any quantity, leads to a meaningful value called the **Number**. This value may be positive or negative depending on the direction of the measurement and can be represented on the number line.

May 20, 2022

Pipes are connected to a tank or cistern and are used to fill or empty the tank. **Inlet** is a pipe connected with a tank or a cistern or a reservoir, that fills it. **Outlet** is a pipe connected with a tank or a cistern or a reservoir, emptying it.

May 19, 2022

In daily life, there are situations where we need to complete a particular job in a reasonable time. We have to complete the project earlier or later depending upon the needs. Accordingly, the men on duty have to be increased or decreased. The time and the men engaged for a project are inversely proportional to each other. The more the number of men involved, the lesser is the time required to finish a job.

Read MoreMay 18, 2022

Business transactions have now-a-days become common feature of life. When a person deals in the purchase and sale of any item, he either gains or loses some amount. The aim of any business is to earn profit.

Read MoreMay 16, 2022

Ratio is a relation between two quantities or numbers. It is a relation that one quantity bears to another with respect to magnitude. A ratio of a and is denoted by a : b and is read as a is to b. In a ratio, the first part (a) is called **antecedent** and second part (b) is called **consequent**.

May 13, 2022

Representing a number as prime factors helps in analysing problems.

Read MoreMay 12, 2022

A divisibility rule is a method to determine whether a given integer is divisible by a fixed divisor without performing the division. You can do this by examining the digits of the integer.

Read MoreMay 09, 2022

Combination & Permutation deals with arrangement of thing. If the order doesn't matter, then it is called **Combination**. If the order does matter, then it is a **Permutation**.

May 07, 2022

A Progression is a sequence of numbers which have some kind of relation. This relation determines what kind of a progression is.

Read MoreMay 06, 2022

Linear Equation can have degree of at most 1 and has only one solution. **Quadratic Equation** can have degree of at most 2 and has two solutions.