Permutation and Combinations
Mathematics Solutions from Chapter -1 - Permutation and Combinations
This chapter explains topics such as Fundamental Principles of Counting, Permutation, Invariance Principle and Factorial Notation etc.
Practice Other Topics from Permutation and Combinations
This topic covers the concept of permutation.
This topic covers concepts such as addition principle, multiplication principle.
This topic covers the concept of invariance principle.
This topic covers concepts such as factorial, permutation of ‘n’ distinct objects taken all at a time and ‘n’ distinct objects when ‘r’ objects never come together and ‘n’ distinct objects when 'r' objects always appear in given order, etc.
This topic covers concepts such as combination, selection of 'r' objects out of 'n' distinct objects, properties related to ncr: ncr = ncn-r, properties related to ncr: ncr = n/r. (n-1)c(r-1), and properties related to ncr: ncx=ncy.
