How many 3-digit numbers can be formed with the digits 1,4,7,8 and 9 if the 
Practice Permutation and Combination – How many 3-digit numbers can be formed with the digits 1,4,7,8 and 9 if the digits are not repeated ?
Permutation and Combination
Find the number of ways to arrange 4 people in groups of 3 at a time where order
Practice Permutation and Combination – Find the number of ways to arrange 4 people in groups of 3 at a time where order matters?
From a total of six men and four ladies a committee of three is to be formed. If
Practice Permutation and Combination – From a total of six men and four ladies a committee of three is to be formed. If Mrs. X is not willing to join the committee in which Mr. Y is a member, whereas Mr.Y is willing to join the committee only if Mrs Z is included, how many such committee are possible?
In how many ways can 4 sit at a round table for a group discussions?
Practice Permutation and Combination – In how many ways can 4 sit at a round table for a group discussions?
Find the number of ways to take 4 people and place them in groups of 3 at a time
Practice Permutation and Combination – Find the number of ways to take 4 people and place them in groups of 3 at a time where order does not matter?
In how many ways can 4 girls and 5 boys be arranged in a row so that all the&nbs
Practice Permutation and Combination – In how many ways can 4 girls and 5 boys be arranged in a row so that all the four girls are together ?
How many 7 digit numbers can be formed using the digits 1, 2, 0, 2, 4, 2, 4?
Practice Permutation and Combination – How many 7 digit numbers can be formed using the digits 1, 2, 0, 2, 4, 2, 4?