
ECO SAB 08.02
Authored by Jamil Victor Escudero Tarazona
Professional Development
Professional Development
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6 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si:
a + b = 3
ab = 2; hallar: a2 + b2
A) 5
B) 9
C) 3
D) 10
E) 6
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calcular: (x + y)2 – (x – y)2
A) 0
B) 4xy
C) 28x
D) 49xy
E) 98xy
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
De la figura calcular “x” si AB = BC.
A) 40°
B) 32°
C) 36°
D) 35°
E) 42°
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
De la figura calcular “ X”.
A) 10°
B) 15°
C) 12°
D) 16°
E) 18°
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En un salón hay 13 carpetas bipersonales. ¿Cuántos alumnos como máximo podrían sentarse en ese salón?
A) 28
B) 32
C) 26
D) 24
E) 28
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Una docena de cuadernos cuesta S/.36. ¿Cuánto costarán 7 docenas?
A) S/.252
B) S/.162
C) S/.232
D) S/.185
E) S/.129
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