PERMUTATION AND COMBINATION

In how many ways can 9 people be seated on a bench if only 3 places are available?

• 1200
• 504
• 320
• 204

A committee consists of 5 boys namely: Kofi, John, Ojo, Ozo and James; and 3 girls namely: Rose, Ugo and Ama. In how many ways can a sub-committee consisting of 3 boys and 2 girls be chosen if Ozo must be on the sub-committee?

• 35
• 30
• 18
• 12

In how many ways can three people be seated on eight seats in a row?

• 6720
• 336
• 240
• 56

In how many ways can 9 bulbs be selected from 4 red, 5 Green and 6 yellow bulbs if 3 of each colour are to be included?

• 800
• 120
• 40
• 27

In how many ways can a committee of five be selected from eight students if two particular students are to be included?

• 20
• 28
• 54
• 58

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• 
• 
• 

How many different ways can the letters of the word ANUNU be arranged?

• 120
• 60
• 30
• 20

• A

• B

• C

• D

In how many ways can 9 people be seated in 2 taxi cabs if one of the cabs can take 5 and the other 4?

• 5760
• 252
• 126
• 125

• 8
• 10
• 12
• 15