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SERIE DE RAZONES

Authored by Edgardo Gamero Tello

Mathematics

4th Grade - University

CCSS covered

Used 44+ times

SERIE DE RAZONES
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sean las razones geométricas equivalentes a2=b3=c5\frac{a}{2}=\frac{b}{3}=\frac{c}{5} , además  a+c=21a+c=21 . Hallar "b" 

6

9

12

15

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si a, b y c son proporcionales a 2, 6 y 7; entonces:

2a=6b=7c2a=6b=7c

a2=b6=c7\frac{a}{2}=\frac{b}{6}=\frac{c}{7}

a2+b6+c7=1\frac{a}{2}+\frac{b}{6}+\frac{c}{7}=1

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si a3=12b=c4=2\frac{a}{3}=\frac{12}{b}=\frac{c}{4}=2 , entonces 

a = 12

b = 4

c = 8

b = 24

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dada la serie de razones geométricas m3=n4=p5\frac{m}{3}=\frac{n}{4}=\frac{p}{5} , además  2(m)+3(n)=542\left(m\right)+3\left(n\right)=54  . Hallar "p"

35

15

25

10

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sea x5000=y6000=z7000\frac{x}{5000}=\frac{y}{6000}=\frac{z}{7000} , además  x+y+z=90x+y+z=90 Hallar "x+y" 

44

55

88

33

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si a216=b225=c249\frac{a^2}{16}=\frac{b^2}{25}=\frac{c^2}{49} , además  b+c=48b+c=48 . Hallar "a" 

16

32

12

20

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si 5a=9b=12c\frac{5}{a}=\frac{9}{b}=\frac{12}{c} además  a+c=51a+c=51 . Hallar "b" 

9

27

15

21

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