serie aritmetica y notables

serie aritmetica y notables

University

10 Qs

quiz-placeholder

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serie aritmetica y notables

serie aritmetica y notables

Assessment

Quiz

Mathematics

University

Practice Problem

Hard

Created by

Razonamiento Perú

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

sume:

3+5+7+...(10sum)

121

120

111

130

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

10. Calcule el valor de “x” en:

1 + 3 + 5 + 7 +…+ x = 900

39

30

61

59

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Halle el valor de “E”

E= 2(2) + 4(3) + 6(4) + ….. + 40(21)

6210

6160

16669

7669

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Adolfo hace abdominales todos los dias, el primer dia 10, el segundo 12 , el tercer dia 14; y asi sucesivamente; hasta que cierto dia hizo 40 abdominales. Cuantas hizo en total?

100

200

400

350

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

La suma de 20 enteros consecutivos es “S” . ¿Cuál es la suma de los 20 siguientes?

s+500

s+400

s+900

400 +2s

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La series aritmeticas se suman mediante la siguiente formula:

(p+u)n/3

(p+u)n/r

(p+u)n/2

(p-u)n/2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Con 1240 esferas idénticas se forma una pirámide de base cuadrada. ¿Cuántas esferas tiene por lado la base de la pirámide?

14

16

125

15

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