13 JEE Main 2019 Permutation Combination previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 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.
The number of four-digit numbers strictly greater than 4321 that can be formed using the digit 0,1 , 2,3 , 4,5 (repetit…
A group of students comprises of 5 boys and n girls. If the number of ways, in which a team of 3 students can randomly…
If three of the six vertices of a regular hexagon are chosen at random, then the probability that the triangle formed w…
Let S = 1 ,   2 ,   3 ,   … . , 100 , then number of non-empty subsets A of S such that the produc…
Suppose that 20 pillars of the same height have been erected along the boundary of circular stadium. If the top of each…
Consider three boxes, each containing 10 balls labelled 1 ,   2 ,   … . ,   10 . Suppose one ball…
The Number of ways of choosing 10 objects out of 31 objects of which 10 are identical and the remaining 21 are distinct…
The number of natural numbers less than 7000 which can be formed by using the digits 0 ,   1 ,   3 ,   7…
The number of   6 digit number that can be formed using the digits 0 ,   1 ,   2 ,   5 ,   7 a…
A committee of 11 member is to be formed from 8 males and 5 females. If m is the number of ways the committee is formed…
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