Porcentajes 02
Quiz
•
Mathematics
•
Professional Development
•
Practice Problem
•
Medium
Juan Daniel Pineda C
Used 34+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se aumenta el diámetro de un círculo de 4cm a 15cm. ¿Qué porcentaje de su área aumentó?
1400
620
800
900
1300
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si el área del triángulo equilátero AED aumenta 95%, entonces el lado del cuadrado ABCD aumenta en:
41
38.6
42.6
40
39.6
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si la base de un triángulo aumenta en 30% y la altura relativa a dicha base disminuye en 30% el área del triángulo varía en 53m2. Halla el área original del triángulo.
600
510
610
588.8
688.8
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si el largo de un rectángulo aumenta en 25% y anchura en 10%, ¿en qué porcentaje aumenta su área?
10
15
37.5
50
80
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿En qué porcentaje varía el área de un cuadrado si su lado varía en un 100%?
400
200
300
280
350
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Un comerciante compra 500 filtros de aire a S/. 20 cada uno y lo vende con un beneficio del 40%, de los cuales los gastos por movilidad y viáticos representan el 29% del beneficio neto. Determina a cuánto asciende el beneficio neto.
3800
3600
3500
3100
3200
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Un vendedor vende dos autos a S/.6000 cada uno. Ganando en el primero el 20% y en el segundo pierde el 20% de precio de compra. ¿gana o pierde y cuánto?
Pierde s/. 550
Gana s/. 50
Gana s/. 500
Pierde s/. 600
Pierde s/. 500
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