This document contains a test with 15 multiple choice questions covering various topics in mathematics including algebra, geometry, trigonometry, and calculus. The test is for Escola Naval 2020. The questions involve concepts like progressions, functions, limits, vectors, and factorials. No answer key is provided.
This is the entrance exam paper for ISI MSQE Entrance Exam for the year 2010. Much more information on the ISI MSQE Entrance Exam and ISI MSQE Entrance preparation help available on http://crackdse.com
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
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The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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Ethnobotany and Ethnopharmacology:
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Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
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Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
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The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
1. ESCOLA NAVAL 2020
1
01. (Esc. Naval 2020) Um determinado curso de idiomas, que oferece cursos de Alemão, Espanhol, Francês e Italiano,
possui 400 alunos frequentando os cursos. O curso possui 840 matrículas em pelo menos um idioma, 710 em pelo menos
dois idiomas e 340 em pelo menos 3 idiomas. Quantos alunos estão matriculados em somente um idioma?
a) 70
b) 110
c) 160
d) 170
e) 240
02. (Esc. Naval 2020) Seja 2
n
S n n 1
= + + a soma dos termos de uma sequência numérica (𝑛𝑛 ∈ ℕ ∗). Sobre essa sequência
assinale a opção correta.
a) Essa sequência numérica não é uma progressão aritmética.
b) A diferença entre o quinto e o quarto termo é 3.
c) Sua razão é 4.
d) n
S é um número múltiplo de 7.
e) Seu sétimo termo é 32.
03. (Esc. Naval 2020) Sejam f g
e g funções reais definidas por
2
4x 6x 1, x 1
f g(x)
4x 3, x 1
− − ≥
=
+ <
e g(x) 2x 3.
= − Assinale a
opção que apresenta a lei de formação da função f.
a)
2
x 2x 1, x 1
f(x)
2x 3, x 1
− − − ≥
=
+ <
b)
2
2x x 1, x 1
f(x)
x 7, x 1
− − ≥ −
=
+ < −
c)
2
x 3x 1, x 1
f(x)
2x 9, x 1
+ − ≥ −
=
+ < −
d)
2
4x x 1, x 1
f(x)
x 3, x 1
+ − ≥
=
− <
e)
2
3x x 1, x 1
f(x)
x 1, x 1
− − ≥
=
+ <
2. ESCOLA NAVAL 2020
2
04. (Esc. Naval 2020) Um determinado país com 220 milhões de habitantes foi acometido por um vírus X. Verificou-se
que, no primeiro ano do aparecimento do vírus na população, havia 620 casos acumulados do vírus X no dia 19 de março
e constatou-se que a progressão de contaminação do vírus era constante a cada 20 dias até o dia 18 de maio, conforme
gráfico ilustrativo abaixo:
Considerando que essa progressão continuou constante até o dia 27 de junho, a porcentagem da população nessa data,
por casos acumulados, que foi contaminada é de aproximadamente
a) 1,7%
b) 2,4%
c) 3,5%
d) 4,7%
e) 5,6%
05. (Esc. Naval 2020) Sandro é o dono de uma empresa de segurança que tem como empregados Alberto, Thiago, Robson
e Rodrigo. Sandro deve realizar pagamento aos seus empregados totalizando um valor de vinte mil reais. Alberto, Thiago,
Robson e Rodrigo recebem pagamentos com valor mínimo de dois mil, dois mil, três mil e quatro mil reais,
respectivamente. Considerando que cada pagamento realizado aos empregados é múltiplo de um mil reais, assinale a
opção que apresenta a quantidade de maneiras distintas que a distribuição do pagamento de vinte mil reais aos
funcionários pode ser realizada.
a) 110
b) 120
c) 220
d) 330
e) 560
3. ESCOLA NAVAL 2020
3
06. (Esc. Naval 2020) Escolhendo aleatoriamente um número do conjunto {1; 2; 3; ; 2020},
qual é a probabilidade de que
o número escolhido e 2020 sejam primos entre si?
a)
40
101
b)
153
1010
c)
293
1010
d)
401
1010
e)
76
505
07. (Esc. Naval 2020) Seja uma elipse centrada na origem de focos A(0; 4)
− e B. Considere C(4; 4) e P pontos sobre a
elipse. Dado o ponto D(3; 2), considere m a distância de D a P e n a distância de P a um dos focos. O menor valor
possível de m n
+ é
a)
5
2 2
2
⋅ +
b)
5
2
2
+
c)
5
2 2
2
⋅ −
d) 2 (2 5)
⋅ +
e) (2 5)
+
08. (Esc. Naval 2020) Seja o número complexo z tal que | z 5 4i | 2,
− − = onde i é e unidade imaginária. O valor máximo
de | z 7 i |
+ + é igual a
a) 12
b) 14
c) 6 41
d) 7 41
e) 15
4. ESCOLA NAVAL 2020
4
09. (Esc. Naval 2020) Considere a equação 3 2
x 3x 9x k 0,
− − + = onde k representa os valores para os quais a equação
admita um raiz dupla. Assinale a opção que apresenta a soma dos valores de k.
a) 22
b) 27
−
c) 27
d) 5
−
e) 32
10. (Esc. Naval 2020) Sejam f e g duas funções reais de modo que, para todo x, 8 8
(f(x)) (g(x)) 4
+ =
Assinale a opção
que apresenta o valor do limite
x 0
lim f(x) x
→
a) Indefinido
b) ∞
c) −∞
d) 0
e) 1
11. (Esc. Naval 2020) O valor de
2
x 2
x 6x 9 cos(x)
lim
x x 9
→+∞
+ + +
+ +
é
a) 0
b)
5
9
c) 1
d) 3
e) −∞
12. (Esc. Naval 2020) Seja a função f definida por
2
2
2x 2x 1
f(x) ,
2x
− +
= assinale o ponto de inflexão do gráfico da função.
a)
3 5
;
2 9
b)
1
1;
2
c)
1
;1
2
d)
2 5
;
3 8
e)
5
1
;
2
−
5. ESCOLA NAVAL 2020
5
13. (Esc. Naval 2020) O fatorial de 2020 é divisível por n
21 . O maior valor inteiro de n é
a) 96
b) 288
c) 334
d) 440
e) 673
14. (Esc. Naval 2020) Sejam as retas no ℝ3
, 1
x 2 10
r : y 1,5 5
z 0 0
λ
−
= +
com 𝜆𝜆 ∈ ℝ e 2
x 4 5
r : y 0 0
z 2 10
μ
−
= +
com 𝜇𝜇 ∈ ℝ.
Tomando o plano α definido pelas retas 1
r e 2
r , α intersecta o eixo z no valor de z igual a
a) 5
−
b) 0
c) 2
d) 10
e) 15
15. (Esc. Naval 2020) Sejam 1
π e 2
π dois planos cujas equações vetoriais são, respectivamente,
X (1, 0, 0) (1,1,1) ( 1, 0, 2)
β γ
= + + − e Y (2, 0, 1) (1, 2,1) (0,1,1)
α λ
= − + + com , ,
β γ α e λ números reais. Assinale a opção que
apresenta uma equação vetorial da reta r, dada pela interseção desses planos.
a) (1, 0, 0) + 𝑘𝑘(2, 1, −1), 𝑘𝑘 ∈ ℝ
b) (1, 0, 0) + 𝑘𝑘(2, −1, 1), 𝑘𝑘 ∈ ℝ
c) (1, 0, 0) + 𝑘𝑘(−2, −1, −1), 𝑘𝑘 ∈ ℝ
d) (1, 0, 0) + 𝑘𝑘(−2, −1, 1), 𝑘𝑘 ∈ ℝ
e) (1, 0, 0) + 𝑘𝑘(2, 1, 1), 𝑘𝑘 ∈ ℝ
6. ESCOLA NAVAL 2020
6
GABARITO
1 - ANULADA 2 - A 3 - C 4 - D 5 - C
6 - A 7 - A 8 - E 9 - A 10 - D
11 - C 12 - A 13 - C 14 - D 15 - ANULADA