Problemas de porcentajes

Quiz
•
Mathematics
•
11th Grade
•
Medium
SEBASTIAN ALBORNOZ
Used 16+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calcula el 20% de 80.
25
16
12
15
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si el 30% de los estudiantes en una clase son mujeres, ¿cuántos hombres hay si hay 40 estudiantes en total?
28
20
12
30
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Convierte el 75% a decimal.
7,5
75,75
0,75
0,075
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si un artículo cuesta $50 y luego aumenta un 20% de su precio original, ¿cuál es el nuevo precio?
$70
$55
$45
$60
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En una tienda, un artículo se rebaja un 15% y ahora cuesta $85. ¿Cuál era su precio original?
$75
$80
$100
$90
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si un salario se incrementa de $500 a $600, ¿cuál es el porcentaje de aumento?
20%
25%
15%
30%
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si un teléfono móvil cuesta $400 y luego se reduce un 25%, ¿cuál es el precio de venta después del descuento?
$300
$275
$350
$320
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si un estudiante responde correctamente el 80% de las preguntas en un examen de 50 preguntas ¿Cuántas preguntas respondió incorrectamente?
30
40
35
10
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