2 sec ARITMETICA
Quiz
•
Mathematics
•
8th Grade
•
Medium
MICHAEL ROBERTS
Used 13+ times
FREE Resource
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8 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
2
3
6
15
2.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Si 15 es la media proporcional de "a" y 25; "2a" es la tercera proporcional de 8 y "b". ¿Cuál es la cuarta proporcional de "a", "b" y 15?
15
18
20
24
30
3.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
Si el producto de los cuatro términos de una proporción geométrica continua es 1296, calcule el valor de la media proporcional.
6
8
12
18
24
4.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
En una proporción geométrica continua, la suma de los cuatro términos es 112 y la diferencia de los extremos es 56. Calcula la tercera proporcional.
5
7
6
8
9
5.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
La razón de la cantidad de dinero de Eduardo y Ana es 5/13. Si Ana le diera S/ 68 a Eduardo, ambos tendrían la misma cantidad de dinero. ¿Cuánto dinero tiene Eduardo?
S/ 221
S/ 90
S/ 105
S/ 85
6.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Dos números están en relación de 5 a 7. Si la suma de los números es 96, ¿cuál es el valor del mayor?
40
56
60
12
7.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿Cuánto es el 5% de 20?
1
10
100
5
8.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
¿Cuánto es el 10% de 60?
6
600
60
10
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