How to find remainder – 2 : Fermat’s little theorem
So continuing discussion from our last post How to find remainder – 1 – Euler’s theorem, now we will discuss Fermat’s little theorem which can be easily used in questions where the divisor is...
So continuing discussion from our last post How to find remainder – 1 – Euler’s theorem, now we will discuss Fermat’s little theorem which can be easily used in questions where the divisor is...
Articles / MBA / Number System / QA
by administration · Published November 21, 2011 · Last modified September 2, 2014
To find the remainder when a number having a big power is divided by another number may seem to be a difficult, probably impossible, task but if you know certain sequential method to solve...
Articles / MBA / Number System / QA
by administration · Published November 15, 2011 · Last modified September 2, 2014
Sometimes we come across questions related to graphs modification. These questions may look difficult in the first sight but are really easy to crack if we know some of the fundas. The questions may be...
Articles / MBA / Number System / QA
by administration · Published October 18, 2011 · Last modified September 2, 2014
Nature of the Roots As I mentioned earlier in the post “Roots of a quadratic equation” that Discriminant helps in determining the nature of the roots of a quadratic equation ax^2 + bx +...
Articles / MBA / Number System / QA
by administration · Published October 15, 2011 · Last modified September 2, 2014
A quadratic equation is a polynomial equation of the second degree. In other words, a second degree polynomial in x equated to 0, where coefficient of x^2 =/=0 will be a quadratic equation. The general form is ax^2 + bx...
Articles / MBA / Number System / QA
by administration · Published September 11, 2011 · Last modified September 2, 2014
For making your calculation faster you must remember the squares of numbers from 1 to 30. Here is a collection of squares which could be easily remembered. Sq. 1 = 1 ...
Articles / Civil Services / MBA / Number System
by administration · Published September 11, 2011 · Last modified July 17, 2014
All MBA exams require fast calculation. Even 5-10 seconds saved per question will save you enough time to solve 3-4 more problems ultimately resulting in a better score. So following things can be handy...
Articles / MBA / Number System / QA
by administration · Published September 10, 2011 · Last modified September 2, 2014
Last digit of a product of any number of numbers is equal to last digit of product of last digits of all the numbers. So to find the last digit in this case first...
Articles / MBA / Number System / QA
by administration · Published September 10, 2011 · Last modified September 2, 2014
Last digit of a sum of any number of numbers is equal to last digit of sum of last digits of all the numbers. So to find the last digit in this case first...
Articles / MBA / Number System / QA
by administration · Published September 8, 2011 · Last modified September 2, 2014
To find the last digit of any power of a number we should keep following in mind. 1. Last digit of any power number repeats after a certain interval say N. So N is...
Articles / MBA / Number System / QA
by administration · Published August 2, 2011 · Last modified September 2, 2014
So today lets discuss how to solve the problems related to quadratic and cubic equations. Though these problems are simple but a bit tricky. Similar approach is required in each and every problem. First...
Sometimes it becomes very cumbersome to check the divisibility by the conventional methods specially in case of 7, 11, 13…. etc. Since the divisibility methods corresponding to these numbers takes good amount of time,...
Articles / MBA / Number System / QA
by administration · Published June 29, 2011 · Last modified September 2, 2014
Crawl through various forums of mathematics & MBA preparation and you will find people searching for a clue whether √x² = x or -x or what …. Now to solve this situation, always remember in...
Articles / Civil Services / MBA / QA
[CSAT][CAT] Basic Numeracy – Percentages (Tips & Tricks) – 1
30 Nov, 2014
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