ZJSG09112007 ZJSG09112007

03-06-2021
Mathematics

contestada

See image for question. Show workings

See image for question Show workings class=

Respuesta :

mhanifa mhanifa

03-06-2021

Answer:

#8

5 men and 2 women = 7 people with no restriction

7P7 = 7!

a) Two women must sit next to each other:

2!*5! = 2*120 = 240

b) The two women must not sit next to each other:

7! - 2!5! = 4800

#9

3 men and 5 women with no restriction:

8P8 = 8! = 40320

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