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virtus

  • 2 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

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  1. hba
    • 2 years ago
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    sorry couldnt get it

  2. virtus
    • 2 years ago
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    as in you don't understand the question?

  3. hba
    • 2 years ago
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    i know its permutation and combination but its been a long time ive studied it

  4. Romero
    • 2 years ago
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    sorry I'm not that familiar with stats and probability

  5. virtus
    • 2 years ago
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    thats ok

  6. Hashir
    • 2 years ago
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    its easy

  7. virtus
    • 2 years ago
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    show us the magic then smarty pants :D

  8. hba
    • 2 years ago
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    :D

  9. Hashir
    • 2 years ago
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    |dw:1342261115716:dw|

  10. Hashir
    • 2 years ago
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    solve it .. and you get your answer

  11. virtus
    • 2 years ago
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    Smarty pants can you explain how you just got those no.s?

  12. Hashir
    • 2 years ago
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    yup i can

  13. hba
    • 2 years ago
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    see there are 2 parents 4 girls and 3 boys and the rest hashir will tell u

  14. Hashir
    • 2 years ago
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    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
    • 2 years ago
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    oh why can't you just do 4! x 5!?

  16. hba
    • 2 years ago
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    @Hashir If u would have asked me this 2 years ago i would have answered

  17. Hashir
    • 2 years ago
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    because 4! and 5! is right /// but i am telling you how i derive it

  18. Hashir
    • 2 years ago
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    @virtus : got it dumb pants ???

  19. Hashir
    • 2 years ago
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    ^^ lOL JOKING .. NO OFFENSE

  20. virtus
    • 2 years ago
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    HAHAHAHAHAHAHA i like your sense of humor. YES dumb pants has got it! thanks for your help :D

  21. Hashir
    • 2 years ago
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    my pleasure :D

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