Age Problems

Pipes and Cistern

Profit and Loss

Surds and Indices

Free Online classes with attractive video sessions

we are planning to provide  free video lectures for the complete syllabus for RAS mains 2013, please register for receiving the schedule and regular updates   Register Now   All the lectures will be taken by experts who have already Read More …


Important Formulas – Percentage PercentagePercent means for every 100So, when percent is calculated for any value, it means that we calculate the value for every 100 of the reference value. percent is denoted by the symbol %. For example, x Read More …

Mixture and Alligation

Important Formulas – Mixtures and Alligations AlligationIt is the rule which enables us to find the ratio in which two or more ingredients at the given price must be mixed to produce a mixture of a specified price. Mean PriceMean Read More …