## National Pension System rule changed. Credit card payment for NPS Tier II accounts is not allowed.

The Pension Fund Regulatory and Development Authority (PFRDA) has chosen to quit tolerating installment of memberships/commitments by utilizing charge cards as a method of installment in the National Pension System (NPS) Tier-II record. The...

## Indices & Surds: Definition of Surds

Any root of a rational number, which cannot be further simplified to remove the root, it is called as Surd or Radical. “Surds are irrational numbers.” Any expression containing a radical, whether it is...

## Indices & Surds: Definition of Indices

An index (plural: indices) is the power or exponent of a number. For Example: has an index of 5. Here, by the term we basically mean p x p x p x p x p i.e product...

## Number System : Arithmetic operations on Fractions

Fraction : A fraction is a number in the form , where x & y are both integers and y 0. In the form , ‘x’ is called the numerator of the fraction and...

## Number System : Properties of Even & Odd Numbers

Let’s discuss about the result when basic arithmetic operations are carried out on Even & Odd Numbers. 1. Sum of two Even numbers is always an Even Number.For Example: 4 + 6 = 10...

## Number System: Basic Arithmetic operations

In this post we will discuss about some Basic Arithmetic Operations: Addition, Subtraction, Multiplication and Division. Addition:Addition combines two quantities into a single quantity. It can be done with numbers, decimal or fractions. For...

## Number System : Co-Primes or Relatively Prime

Co-Prime or Relatively Prime…HmmSo what do we mean by Co-Primes or Relatively Prime Nos. ?A set of numbers which do not have any other common factor other than 1 are called co-prime or relatively...

## Number System : GCD(Greatest Common Divisor)/HCF and LCM (Least Common Multiple)

Though you must have read these concepts in school days. Lets just revise it again and practice sufficient questions to calculate GCD /HCF/LCM in few seconds which can be used to solve some tricky...

## Number System: Properties of Integers

Here we are going to learn about Digits, Integers, Even and Odd Integers, Operation on even and Odd integers, Factors & Multiples, Prime Numbers & Composite Numbers. In the next article on properties of...

## Number System : Imaginary and Complex Number

Imaginary Number: Since no real number satisfies the equation , a number of the form , where b is a real number, b 0 and is called an imaginary number. Since real numbers does...

## Number System : Rational, Irrational & Real Numbers

Rational Numbers: The rational numbers include all the integers, all fractions, terminating decimals and repeating decimals (We will discuss fractions and decimals later).  Every rational number can be written in the form of fraction...

## Number System: Fraction, Proper, Improper , Mixed and Decimal fraction

Fraction : A fraction is a number in the form , where x & y are both integers and y 0. In the form , ‘x’ is called the numerator of the fraction and...

## Number System : Natural, Whole, Integer, Rational, Irrational and Real Number

Number : A number is a mathematical object to measure, count and label. Natural Number : The natural numbers are also called the counting numbers. The numbers 1,2,3,4 and so on are natural numbers....

## [Coding Club] Minimum Maximum Array Problem

How to tackle an array problem : – Understanding the problem is very important, read problem 2-3 times, give time to understand the problem, Check input and expected output for further clarity. As we...

## Hackerrank Problem – Manasa and Stones

Statement – Manasa is out on a hike with friends. She finds a trail of stones with numbers on them. She starts following the trail and notices that any two consecutive stones’ numbers differ...

## CAT 2019 : Registration date extended till September 25th

The Registration for the CAT 2019 started on August 7, 2019 Wednesday at 10:00 A.M. The Registration was going to be closed on September 18, 2019, Wednesday (5 P.M.) but it has now been...

## CAT 2019 : Percentile Calculation Method Released by IIM Kozhikode

The Indian Institute of Management, Kozhikode has released the method for calculation of percentile which will be adopted in CAT 2019. It is to be noted that the CAT 2019 is scheduled to be...

## How to Solve Simultaneous Equation with 3 Variables

Let’s take simultaneous equation with 3 variables. ……………(1) …………..(2) …………….(3) To solve simultaneous equation with 3 variables Step 1: Take 2 equations, say (1) & (2) to remove any one variable, say z. Mark...

## Algebraic & Graphical interpretation of Simultaneous Equation

Let’s take a pair of linear equation: ……………..(1) ……………..(2) With the help of coefficient of equations (1) & (2) we can easily determine if the solution of the simultaneous equations will be Unique Solution,...

## CAT 2019 Application Process started

Many CAT 2019 aspirants were waiting eagerly for the start of CAT application process. Registration for the test started at 10 A.M. on 7th, August 2019. The Indian Institutes of Management will conduct a...