1. HOW TO MUTLIPLY 2 digit number by 11? Example 1. 35 * 11 = 385 Step 1. Add both digits of the two digit number. 3+5 = 8. Step 2. Place the result in between both the digits. 3_8_5...
Averages Basic Formulae for average of n numbers x1, x2, x3....xn is given by An=(x1+x2+x3+.........xn)/n=Total of n numbers/n This also means that (An)*n =Total of the numbers Average of sum of first...
Always use simple and easy fastest steps to solve a problem . As each questtion involves simple basic calculation like Addition,Subtraction , Multiplication , Division . Dont go for all calculation using...