## Simple tricks to calculate average of numbers

AVERAGE An average or more accurately an arithmetic mean is, in crude terms, the sum of n different data divided by  n Averages of a…

## Tips and Tricks to solve Simple Interest Problems

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…

## Easy Tricks to Solve Problems on Ages

Important Formulas on “Problems on Ages” : 1. If the current age is x, then n times the age is nx. 2. If the current age is x, then age n years…

## Why 1729 (a magic number) is known as Ramanujan Number?

The smallest nontrivial taxicab number, i.e., the smallest number representable in two ways as a sum of two cubes. It is given by: 1729=1³+12³=9³+10³ The…

## Short notes on Kinetic Theory of Matter for IIT-JEE & CBSE

Kinetic theory is one of the most important chapters from the IIT- JEE & CBSE perspective. So make make sure that you go through these …

## Tricks to Solve Logarithm Questions

Logarithm:If a is a positive real number, other than 1 and am = x, then we write: m = logax and we say that the value of log x to the base a is m.Examples:(i). 103 1000     …

## Learn tricks to solve Simple Interest and Compound Interest Problems

COMPOUND INTEREST is the EIGHTH WONDER of the world.He who UNDERSTANDS IT earns it..He who doesn’t PAYS IT.. SIMPLE INTEREST AND COMPOUND INTEREST INTEREST: Interest…

## Interesting Quiz on ‘INTEREST’ Calculations!

SIMPLE INTEREST SI=(P*T*R)/100; Where, P=Principal Amount T=Time period in years R= Rate of interest in percentage If rate of interest differs year to year then…

## Important notes on Chemistry in everyday life for CBSE & IIT-JEE

These are important notes on Chemistry in everyday life for CBSE & IIT-JEE. It’s one of the important topics from CBSE examination and IIT-JEE entrance perspective!…

## Important notes of Compounds Containing Halogens for CBSE & JEE

Compounds Containing Halogens is one of those topics which can fetch you lot of marks very easily. So, go through these important notes of Compounds…