Permutations and Combinations

Guys we had a good discussion on Man Hour Work and Time speed Distance. Lets move to the new chapter Permutations and Combinations.

I think it ‘ll be a good idea to solve the questions on these chapters together.  So start posting questions on these two chapters.


Note : You can find the basic notes on
Permutations @

Combinations @



Rupali (not verified)
Rupali's picture
Permutations and Combinations

I only have a basic idea about permutations and combinations. Would like to know what are the mathematical formulas to solve such problems.

ravi ranjan kumar (not verified)
Rupali's picture
about permitation and combination

hai rupali.

its ravi.. i m not good in permutation and combition if u have any materials regarding it please mail me on my e-mail


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