
Olimpiada Matemática - Categoría 2
Authored by Fernando Henao
Mathematics
10th Grade
Used 235+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dos autos parten desde el mismo punto, uno hacia el norte y el otro hacia el sur. Si los dos autos viajan a una velocidad de 80 km/h. ¿la distancia que los separará a las 2 horas y media será?
400 Km
200 Km
160 Km
320 Km
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dada la factorización del polinomio. X2 -6x + 8 la forma más simple para factorizar arroja cuál de los siguientes valores:
(x+2) (x+4)
(x-3) (x-3)
(x-2) (x-4)
(x-4) (x+2)
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dados los conjuntos a={1,-3} y b={2,3,6}, las parejas ordenadas que satisfacen la condición que la suma de sus componentes sea igual a 3 son:
R= {(1,3), (-3,6)}
R= {(1,2), (-3,6)}
R= {(1,2), (3,6)}
R= {(-3,6)}
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El lado faltante (hipotenusa) del siguiente triángulo rectángulo según el teorema de pitagoras H2=C2 + C2 es:
20
√20
9
√41
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Carolina trabaja sola y hace la obra en 20 horas: luego en una hora hace 1/20 de la obra. Por lo tanto Carolina en 12 horas hará:
3/5 partes
12/20 partes
6/10 partes
5/3 partes
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Un auto llena su tanque con 60 litros de gasolina, se sabe que por cada 6 kilómetros recorridos el auto consume 2 litros. ¿a los cuántos kilómetros el auto vaciará su tanque?
120 km
100 km
180 km
360 km
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La edad de Angie quintuplica la edad de Vanessa, si la suma de las dos edades es 42 ¿cuál es la edad de Angie y Vanessa respectivamente?
36 y 6
35 y 7
30 y 12
38 y 4
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