5 JEE Main 2018 Permutation Combination previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 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.
n -digit numbers are formed using only three digits 2 ,   5 and 7 . The smallest value of n for which 900 such dis…
The number of four letter words that can be formed using the letters of the word BARRACK is
n - digit numbers are formed using only three digits 2,5 and 7 . The smallest value of n for which 900 such distinct nu…
From 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are to be selected and arranged in a ro…
The number of numbers between 2 , 000 and 5 , 000 that can be formed with the digits 0 ,   1 ,   2 ,   3…