Important Notes on Simple Interest

Principal – The money which is borrowed or lent for a certain period of time is called Principal or the Sum. Interest – The extra money which is paid along with the principal. Amount = Principal + Interest
SSC Model Paper

Profit and Loss Problems (MCQs)

Profit and Loss Problems (Objective Type Questions) for SSC CGL & CHSL, Banking and all government general competitions.

Theory: Average

Important Facts and Formulas - Average Definition- The number of quantities of the same kind is their sum divided by the number of the quantities.

Triangle Notes

Triangle Basic Formulas & Identities. Basic and Advanced Identities & Formulas- important for SSC, Bank and General Competitions. Cosine Rule, Sine Rule. Triangle Basic Formulas m-n theorem, Centroid of a triangle, tangent rule.

Important Notes on Percentage

Percent is derived from Latin word 'per centum' which means 'per hundred. Percentage is a way of comparing quantities. Percentages are basically numerators of fractions with denominator 100. Percent is represented by the symbol - '%'. Ex- 1% means 1 out of 100 or one hundredth. 1% = 1/100 = 0.001 Interpreting Percentages Ex- What do you mean by this statement. let say - "Raj saves 25% of his income. Interpretation - It means 25 parts out of 100, or it means Raj is saving 25 rupees out of every 100 rupees that he earns. Important Formulae % Change - (Increase or decrease) ℅change = (final value - Initial Value)*100/Initial Value

Theory : Boat and Stream

Up Stream - It means the boat is moving against the direction of the stream. Down Stream – It means the boat is moving in the direction of the stream. Shortcut tricks on boats and streams are one of the most important topics in exams. Time takes a huge part in competitive exams.


Search Your Query Here Differentiability in an Interval A function is said to be differentiable in (a, b) if it is differentiable at each and...