Profit and Loss

The price, at which an article is purchased, is called its cost price, abbreviated as C.P. The price, at which an article is sold, is called its selling prices, abbreviated as S.P.

Average

Average refers to the sum of all observations divided by the total number of observations. For example to calculate the average marks of the students

Problems on Trains

Time taken by a train of length *l* metres to pass a stationery object of length *b* metres is the time taken by the train to cover is (*l* + *b*) metres

Simple Interest (S.I.)

If the interest on a sum borrowed for certain period is reckoned uniformly, then it is called simple interest

TIME and DISTANCE

Time and Distance is an important chapter of quantitative aptitude. In every quantitative ability exam minimum one or two questions can seen related to this time and distance chapter

Permutations and Combinations

Permutations are the different arrangements of a given number of things by taking some or all at a time

Partnerships

Two or more people can get together to do business the deal is known as partnership.