PROMEDIOS
Quiz
•
Mathematics
•
5th Grade
•
Hard
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La media geométrica de 16 y 9 es
12,5
12
3,5
5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La media armónica de 15 y 5 es
7,5
10
20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el promedio aritmético de 14, 16 y N es 16, hallar el valor de N
15
16
17
18
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un ciclista va de Lima al Callao a razón de 70 km/h y regresa a razón de 30km/h. ¿Cuál es su velocidad promedio para todo su recorrido?
50 km/h
42 km/h
48 km/h
32 km/h
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La media aritmética de dos números es 13/2 y la media armónica es 72/13. Hallar la media geométrica:
2
4
6
8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En el aula A tiene 30 estudiantes y su promedio de notas en Aritmética es 14 y el aula B de 20 estudiantes su promedio es 19. Hallar el promedio de notas de los 50 estudiantes.
15
16
17
18
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
José tuvo como notas de un curso: en trabajo 16, en promedio de práctica 12 y 10 en examen final cuyos pesos asignados fueron 1; 2 y 3 respectivamente. Hallar el promedio final de José.
12
13
14
15
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