CUBE In this post i will explain different cubing methods and tricks to find cube of  2-digit and 3-digit numbers without cal...

TRAILING NUMBER OF ZEROS Definition : Trailing Zeros are total number of Zeros at the end of a number. Example:   234 ...

Time and Work Example 1: If 3 men or 4 women can reap a field in 43 days, how long...

Simple and Compound Interest Example 1: A sum of money lent at simple interest amounts to Rs 88...

Time and Work This chapter is useful in determining the period of time in which a given task can be completed or to determine ...