
Concurso Matemática - 5to Sec
Authored by Wendy Norabuena
Mathematics
6th - 8th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Lo que gana y lo que gasta una persona están en la relación de 11 a 5. Si esta persona ahorra por día 150 soles, determine en cuanto debe disminuir su gasto diario para que la relación entre lo que gana y gasta sea de 55 a 8.
70
75
80
85
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La base y la altura de un triángulo están en la relación de 1 a 3, respectivamente. Si el área de la región triangular es 24 cm2, determina la longitud de la base.
5 cm
4
6
2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Una piscina está llena hasta sus 2/3 partes. Si se sacara 21 000 l quedaría llena hasta sus 3/8. ¿Cuánto falta para llenarla?
48 000 l
72 000 l
24 000 l
56 000 l
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
9
8
6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Formaliza el siguiente enunciado: Si estudio, entonces aprenderé; o aprendo y no enseño. Por lo tanto, estudio o aprendo.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve la siguiente ecuación:
3x – (2x – 1) = 7x – (3 – 5x) + (24 – x)
x = -2
x = -1
x = 2
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