Permutations and combinations are important concepts in mathematics and are frequently tested in exams like the Common Admission Test.

Permutations vs. Combinations Both permutations and combinations involve a group of items. For permutations, the order of the data matters.

Richard A. Edwards, Permutations, Combinations, and Circular Seating Arrangements, The Mathematics Teacher, Vol. 110, No. 3 (October 2016), pp. 232-236 ...

Get free PDF download of NCERT Solutions for CBSE Class 11 Mathematics Chapter, Permutations and Combinations.