
PROBLEMAS CON RACIONALES
Mathematics
7th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En cada vuelta de las ruedas de un automóvil avanza los 61/4 metros, en 24 vueltas avanza.
A. 144 metros
B. 156 metros
C.150 metros
D. 600 metros
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Un jugador pierde los 2/3 de los 4/5 de $ 45.000.000. Su pérdida es:
A. $ 30.000.000
B. $ 24.000.000
C.$ 36.000.000
D.$ 40.000.000
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En una clase de 75 estudiantes, escriben, leen y los otros 2 / 15 hacen ejercicios de Matemáticas, el número de estudiantes dedicados a las Matemáticas es:
A. 50
B. 15
C. 20
D.10
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La fracción de camino recorrido por un viajero que en un día ha hecho 1/4 y 1/5 del trayecto es:
9/20
2/9
9/10
1/10
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Los litros de agua que quedan en un recipiente de 230 litros, después de haber sacado los 3/5 son:
A. 92 litros
B. 138 litros
C. 115 litros
D. 184 litros
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Un obrero hace un trabajo en 20 días, otro en 18 días y un tercero en 15 días. Si trabajan juntos lo hacen en:
A. 17 2/3 días
B. 53 días
C. 17 días
D. 5 25/31 días
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Juan compra 12 naranjas, Sebastián compra los 3/4 de este número y Miguel los 2/3 de Sebastián; Miguel compró:
A. 6 naranjas
B. 9 naranjas
C. 5 naranjas
D. 7 naranjas
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