Home > Arithmetic Aptitude > Permutation and Combination > Questions and Answers
01. | In how many different ways can the letters of the word 'MATHEMATICS' be arranged so that the vowels always come together? | |||||||||||
|
02. | In how many different ways can the letters of the word 'DETAIL' be arranged in such a way that the vowels occupy only the odd positions? | |||||||||||||||
|
03. | In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there? | |||||||||||||||
|
04. | From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done? | |||||||||||||||
|
05. | Find the number of ways in which a group of 4 boys and 3 girls can be selected out of a total of 9 boys and 9 girls. | |||||||||||
|
06. | Find the number of ways in which 4 cattle can be selected from a group of 9 cows and 5 buffaloes, such that there is at least 1 buffalo present. | |||||||||||
|
07. | The number of ways of forming a committee of 6 members from a group of 4 men and 6 women is | |||||||||||
|
08. | The number of rectangles that can be formed on a 8 × 8 chessboard is | |||||||||||
|
09. | The number of distinct lines that can be formed by joining 20 points on a plane is of which no three points are collinear is | |||||||||||
|
10. | Find the number of ways of studding 10 beads to form a necklace | |||||||||||
|