## 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…

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# Tag: competitive exams

## Tips and Tricks on Alligation

## Problem solving tricks on sales and discount

## Tips and Tricks on Bank Account

## Tips and Tricks To Solve Problems on Races and Games

## Missing Letter Puzzle for Interviews, Placement and Competitive Exams

## Missing Number puzzles: Interviews, Placements and Competitive Exams

## Important algebra identities and questions

## Tricks to solve surds and indices

## Tips and Tricks related to Stocks and Shares

## Short cut tricks to find square root and cube root of a number

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…

IMPORTANT CONCEPTS Suppose a man has to pay Rs. 156 after 4 years and the rate of interest is 14% per annum. Clearly, Rs. 100…

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.…

Races: A contest of speed in running, riding, driving, sailing or rowing is called a race. Race Course: The ground or path on which contests are made…

MISSING LETTER PUZZLES Answer : K Explanation : The numerical values of the letters in opposite segments of the circle always add up to 17.…

MISSING NUMBER PUZZLES Answer : 6 Explanation : Looking at the diagram in rows, the central circle equals half the sum of the numbers…

Some Basic Formulae: (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)…

Laws of Indices: am x an = am + n am = am – n an (am)n = amn (ab)n = anbn a n = an b bn a0 = 1 Surds:Let a be rational number and n be a positive integer such…

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,…

CUBE ROOT OF A NUMBER REMEMBERING UNITS DIGITS: First we need to remember cubes of 1 to 10 and unit digits of these cubes. The…