## Tips and Tricks on Alligation

Alligation:It is the rule that enables us to find the ratio in which two or more ingredients at the given price must be mixed to…

## Tips and Tricks on Bank Account

IMPORTANT CONCEPTS Banker’s Discount: Suppose a merchant A buys goods worth, say Rs. 10,000 from another merchant B at a credit of say 5 months.…

## Tips and Tricks related to Stocks and Shares

Stock Capital:The total amount of money needed to run the company is called the stock capital. Shares or Stock:The whole capital is divided into small units,…

## Tips and Tricks to simplify algebra problems

(a + b)(a – b) = (a2 – b2) (a + b)2 = (a2 + b2 + 2ab) (a – b)2 = (a2 + b2 – 2ab) (a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca) (a3 + b3) = (a + b)(a2 – ab + b2) (a3 – b3) = (a – b)(a2 + ab + b2) (a3 + b3 + c3 – 3abc) = (a + b + c)(a2 + b2 + c2 – ab – bc – ac) When a + b + c =…

## Tricks to Solve Equations in two variables

Solving systems of equations in two variables A system of a linear equation comprises two or more equations and one seeks a common solution to…

## Tips and Tricks on Boats and Streams related Aptitude Problems

Downstream/Upstream:In water, the direction along the stream is called downstream. And, the direction against the stream is called upstream. If the speed of a boat in still…

## Tips and Tricks to solve Simple Interest Problems

Principal:The money borrowed or lent out for a certain period is called the principal or the sum. Interest:Extra money paid for using other’s money is called interest. Simple Interest…

## बोर्ड परीक्षा के लिए महत्वपूर्ण नोट्स – कार्बन एवं उसके यौगिक

बोर्ड परीक्षा में अच्छे अंक लाने के लिए पाठ को अच्छे से समझना बहुत ज़रूरी है | इस article में कार्बन एवं उसके यौगिक पाठ…

## बोर्ड परीक्षा के लिए महत्वपूर्ण नोट्स – धातु एवं अधातु

बोर्ड परीक्षा में अच्छे अंक लाने के लिए पाठ को अच्छे से समझना बहुत ज़रूरी है | इस article में धातु एवं अधातु पाठ  से…