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Permutation of n objects taken r at a time
Quiz by Rey Alferez Fernandez
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10 questions
Show answers
- Q1A password consists of 3 distinct characters that can be chosen from the 26 alphabets. How many different passwords are possible?175501560013001950030s
- Q2A group of people are going on a tour. If there are 4 different locations to visit and they can visit each location only once, in how many ways can the group choose the order of locations to visit?241241630s
- Q3In a letter to her 5 friends, Alice wants to include a photo. If she has 7 photos to choose from, how many different ways can she include one photo with the letter?52135730s
- Q4A school is selecting a president, vice president, and treasurer from a student council of 10 members. How many possible sets of officers are there?72084036050030s
- Q5Six friends are to sit in a row. How many possible arrangements are there?3612050072030s
- Q6In a class of 20 students, a team of 4 will be selected for a debate competition. In how many ways can this team be selected?48456901600116030s
- Q7If there are 8 runners in a race and the top 3 positions (1st, 2nd, 3rd) get medals, how many different ways can the medals be awarded?56249633630s
- Q8A locker combination consists of 3 digits from 0-9. If no digits can be repeated, how many different combinations are possible?30072050012030s
- Q9In how many ways can 5 different books be arranged on a shelf?301201002530s
- Q10A committee of 5 members is to be formed from a group of 9 people. How many different committees can be formed?455043612630s