# Introduction

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## Permutations and combinations in Tamil

Here is the link where you can find the aptitude videos in TAMIL

## 30 idioms you need to know and their meaning:

1. A bitter pill: A situation or information that is unpleasant but must be accepted 2. Action speaks louder than voice: people’s intention can be judged better by the way they do than they say. 3. A dime dozen: very common and of no particular value 4. Add insult toRead More

## Probability

Probability is merely a subtype of Permutation and Combination (PnC) concept. Probability can be solved without mugging up formulae if your basic concepts are clear. Probability is based on observations of certain events. The probability of an event is the ratio of the number of observations of the event toRead More