PROBABILITY

PROBABILITY Experiment: An operation which can produce some well-defined outcomes is called an experiment. Random Experiment: An experiment ...

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PERMUTATIONS & COMBINATIONS

Permutations and Combinations Factorial Notation: Let  n  be a positive integer. Then, factorial  n , denoted  n ! is defined as: n! = n(n -...

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PROFIT & LOSS

Profit And Loss To make profit is the basic aim of any business. Cost Price :  It is the price at which any article or unit or item is bough...

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MIXTURES & ALLIGATIONS

Mixture and Alligation Shortcut Methods Mixture :  Mixing of two or more than two type of quantities gives us a mixure. Quantities of these ...

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