## virtus 3 years ago A family consists of a mother, a father, 4 girls and 3 boys. In how many ways can 9 people be arranged around a table if: The parents are separated by two seats , and these seats are both occupied by girls

1. hba

sorry couldnt get it

2. virtus

as in you don't understand the question?

3. hba

i know its permutation and combination but its been a long time ive studied it

4. Romero

sorry I'm not that familiar with stats and probability

5. virtus

thats ok

6. Hashir

its easy

7. virtus

show us the magic then smarty pants :D

8. hba

:D

9. Hashir

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10. Hashir

solve it .. and you get your answer

11. virtus

Smarty pants can you explain how you just got those no.s?

12. Hashir

yup i can

13. hba

see there are 2 parents 4 girls and 3 boys and the rest hashir will tell u

14. Hashir

see there are 2 possibilities in mother and father either mother in first one or father in first one .... secondly .... 4 and 3 possibilities in between them ..... finally we can arrange the rest randomly so 5!

15. virtus

oh why can't you just do 4! x 5!?

16. hba

@Hashir If u would have asked me this 2 years ago i would have answered

17. Hashir

because 4! and 5! is right /// but i am telling you how i derive it

18. Hashir

@virtus : got it dumb pants ???

19. Hashir

^^ lOL JOKING .. NO OFFENSE

20. virtus

HAHAHAHAHAHAHA i like your sense of humor. YES dumb pants has got it! thanks for your help :D

21. Hashir

my pleasure :D