5 JEE Main 2012 Permutation Combination previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2012 previous-year questions from the Permutation Combination chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Permutation Combination chapter hub.
Let X=\1,2,3,4,5\. The number of different ordered pairs (Y, Z) that can be formed such that Y X, Z X and Y Z is empty,…
The number of arrangements that can be formed from the letters a, b, c, d, e, f taken 3 at a time without repetition an…
If the number of 5-element subsets of the set A= \a₁, a₂, …, a₂₀ \ of 20 distinct elements is k times the number of 5-e…
Assuming the balls to be identical except for difference in colours, the number of ways in which one or more balls can…
If seven women and seven men are to be seated around a circular table such that there is a man on either side of every…