Cálculo combinatório
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Medium
Miguel Cruz
Used 22+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Considere todos os números pares com cinco algarismos. Quantos destes números têm quatro algarismos impares ?
4 x 4!
5!
5 x 5!
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
De quantas maneiras se podem sentar três raparigas e quatro rapazes num banco de sete lugares, sabendo que em cada um dos extremos fica uma rapariga ?
120
240
720
1440
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
No universo E = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, considere os conjuntos
A = { 1, 2, 3, 4, 5, 6 }
B = { 2, 4, 6, 8, 10 }
C = { 3, 4, 5 }
Então A \ ( B U C ) =
{ 1 }
{ 1, 6 }
{ 4 }
{ 4, 6 }
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A Andreia, a Bárbara, a Catarina, o Duarte e o Eduardo vão sentar-se num banco corrido, com cinco lugares.
De quantas maneiras o podem fazer, ficando uma rapariga no lugar do meio ?
48
72
120
144
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