Permutations

Isabel will conduct a beauty pageant “search for Binibining Sipnayan. For this year, 10 students join on the said event. In how many ways can 3^rd runner up, 2^nd runner up, 1st runner up and the title holder be selected?

• a. 4, 039

• b. 2, 495

• c. 5, 040

• d. 3, 479

In how many ways can a president, treasurer and secretary be chosen from 7 candidates?

• a. 210

• b. 315

• c. 200

• d. 50

 How many ways can 5 students be seated in a row of 3 chairs?

 

 

• 56

• 30

• 60

• 36

How many 2-digit numbers can you make using the digits 1, 2, 3, & 4 without repeating the digits?

• 90
• 100
• 12
• 24

• a. 25

• b. 20

• c. 35

• d. 30