BelenFragaSierra Curso
Quiz
•
Mathematics
•
1st Grade
•
Hard
Belén Fraga S
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tengo 6 manzanas y me como 4, ¿cuántas manzanas me quedan?
10
8
4
2
Answer explanation
6 - 4 = 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En una bolsa tenemos 4 bolas rojas, 2 azules y 3 verdes. Extraemos al azar y sin reemplazamiento dos bolas. Indica el espacio muestral asociado al experimento.
E = {RR,RA,RV,AR,AA,AV,VR,VA,VV}
E = {R,A,V}
E = {RR,AA,VV}
E = {RA,AV,VR}
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El área de Matemática en el presente examen consta de 20 preguntas de alternativa múltiple.
En un avión viajan 120 personas, de las cuales:
- Los 2/3 de ellas no beben
- Los 4/5 de ellas no fuman
- 72 no fuman ni beben ¿Cuántas personas fuman y beben o no fuman ni beben?
55
88
66
77
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En una bolsa tenemos 4 bolas rojas, 2 azules y 3 verdes. Extraemos al azar y sin reemplazamiento dos bolas. Dados los sucesos:
A = "Sacar dos bolas rojas"
B= "No sacar dos bolas rojas"
¿Qué relación existe entre ambos?
Son improbables.
Son incompatibles.
Son seguros.
Son contrarios.
Answer explanation
Expresan lo opuesto, sacar dos bolas rojas es lo contrario de no sacar ninguna roja.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Darle el valor simplificado de:
a12 b
a10b8
a13b7
a11b5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En una bolsa tenemos 4 bolas rojas, 2 azules y 3 verdes. Extraemos al azar y sin reemplazamiento dos bolas. Calcula la probabilidad de sacar la primera roja y la segunda azul.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La razón entre el cateto opuesto y el cateto adyacente se llama
cotangente
seno
tangente
coseno
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