Arithmetic Aptitude :: Permutation and Combination
- In what ways the letters of the word "PUZZLE" can be arranged to form the different new words so that the vowels always come together?
- In what ways can a group of 6 boys and 2 girls be made out of the total of 7 boys and 3 girls?
- Out of a group of 7 boys and 6 girls, five boys are selected to form a team so that at least 3 boys are there on the team. In how many ways can it be done?
- A box contains 2 red balls, 3 black balls, and 4 white balls. Find the number of ways by which 3 balls can be drawn from the box in which at least 1 black ball should be present.
- Out of 7 constants and 4 vowels, how many words of 3 constants and 2 vowels can be formed?
- How much 4-digit number can be formed from the digits 2, 3, 4, 5, 6, and 7 which are divisible by 5 in such a way that digits should not repeat.
- In what ways the letters of the word "CRICKET" can be arranged to form the different new words so that the vowels always come together?
- In what ways the letters of the word ?MACHINE? can be arranged so that the vowels occupy only the odd positions?
- In what ways the letters of the word ?ACTORS? can arrange so that the vowels occupy only the even positions?
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