
Conamat
Authored by Jeshua Paredes
Mathematics
7th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
La profesora Tania deja a sus alumnos la siguiente tarea: Deben encontrar números de tres cifras en el sistema heptanario, tal que escritos en el sistema decimal también tengan tres cifras y, además, en el sistema heptanario, cada cifra es el doble de la cifra correspondiente del número escrito en el sistema decimal. Yandí, Fabrizio y Gracia encontraron una solución cada uno. La profesora, al revisar, se percata que dichas soluciones son diferentes. Determine la suma de cifras de la mayor solución encontrada.
A) 3
B) 6
C) 4
D) 12
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
.Al dividir un número de 3 cifras entre su complemento aritmético, se obtiene como resto la mitad del divisor. Calcule el mayor dividendo que cumple tal condición e indique como respuesta la suma de sus cifras.
A) 22
B) 21
C) 14
D) 26
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Juan multiplica un número por 2; 5; 6; 7; 8 y 11; y obtiene como productos los siguientes numerales: YESICA; SICAYE; CAYESI; ESICAY; AYESIC; ICAYES respectivamente, además, Y+E+S+I+C+A=27. Calcule el producto de cifras del número que multiplicó Juan.
A) 478
B) 2268
C) 6228
D) 2692
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A) 1
B) 3
C) 5
D) 4
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A) 26
B) 60
C) 65
D) 48
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A) 7
B) 8
C) 56
D) 72
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A) 30
B) 36
C) 40
D) 42
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