Foram encontradas 125 questões.
Beatriz encontrava-se em viagem por um país distante, habitado pelos vingos e pelos mingos. Os vingos sempre dizem a verdade; já os mingos sempre mentem. Certo dia, vendo-se perdida em uma estrada, Beatriz dirigiu-se a um jovem que por ali passava e perguntou-lhe: "Esta estrada leva à Aldeia Azul?". O jovem respondeu-lhe: "Sim, esta estrada leva à Aldeia Azul". Como não soubesse se o jovem era vingo ou mingo, Beatriz fez-lhe outra pergunta: "E se eu te perguntasse se és mingo, o que me responderias?". E o jovem respondeu: "Responderia que sim". Dadas as respostas do jovem, Beatriz pôde concluir corretamente que
Provas
Um certo número X, formado por dois algarismos, é o quadrado de um número natural. Invertendo- se a ordem dos algarismos desse número, obtém-se um número ímpar. O valor absoluto da diferença entre os dois números (isto é, entre X e o número obtido pela inversão de seus algarismos) é o cubo de um número natural. A soma dos algarismos de X é, por conseguinte, igual a:
Provas
Um processo de escolha entre os n alunos de uma escola (n > 1) consiste no seguinte procedimento: os alunos são colocados em um círculo e inicia-se uma contagem da forma "zero, Um, zero, Um, zero, Um, ...". Cada vez que se diz "Um" o aluno correspondente é eliminado e sai do grupo. A contagem prossegue até que sobre um único aluno, que é o escolhido (por esse procedimento, portanto, sempre que o número de alunos no círculo inicial for igual a uma potência inteira de dois, o escolhido será o aluno que ocupava originalmente a primeira posição). Se há 192 alunos no círculo inicial, a posição neste círculo que é ocupada pelo aluno escolhido é a de número:
Provas
Cinco colegas foram a um parque de diversões e um deles entrou sem pagar. Apanhados por um funcionário do parque, que queria saber qual deles entrou sem pagar, eles informaram:
– "Não fui eu, nem o Manuel", disse Marcos.
– "Foi o Manuel ou a Maria", disse Mário.
– "Foi a Mara", disse Manuel.
– "O Mário está mentindo", disse Mara.
– "Foi a Mara ou o Marcos", disse Maria.
Sabendo-se que um e somente um dos cinco colegas mentiu, conclui-se logicamente que quem entrou sem pagar foi:
Provas
Se a = b+p, então a = z+r. Se a = z+r, então a = w-r. Por outro lado, a = b+p, ou a = 0. Se a = 0, então a+u = 5. Ora, a+u ≠ 5. Logo,
Provas
Read the text below in order to answer questions 31 to 35.
AN INTERVIEW WITH A FUND LEADER
Question: Do you invest in pure Internet companies only? Or, in other words, companies with a .com at the end of their name?
Chris Bell: No. We invest in three distinct market sectors and the percentage of the portfolio in each changes as our view alters. Currently, around 45% of the portfolio is in the shares of pure Internet companies. Last summer we had under 30% in this sector of the market. There was a big sell-off of pure Internet companies last summer because of concern about US interest rates. We saw the share prices of some of the bellwethers of the sector, such as Amazon.com, halving. Come September we thought the sell off had become too big and began to increase our weighting in this area of the market.
The second area we invest in is technology infrastructure. Our holdings include companies such as Cisco Systems, Intel and Oracle. These companies develop systems to speed up the functioning of the Internet and 45% of the portfolio is in this area of the market.
The other 10% of the portfolio is invested in Internet-related companies. This can be any company we feel will benefit from the growth of the Internet.
According to the interviewee, US interest rates
Provas
Read the text below in order to answer questions 31 to 35.
AN INTERVIEW WITH A FUND LEADER
Question: Do you invest in pure Internet companies only? Or, in other words, companies with a .com at the end of their name?
Chris Bell: No. We invest in three distinct market sectors and the percentage of the portfolio in each changes as our view alters. Currently, around 45% of the portfolio is in the shares of pure Internet companies. Last summer we had under 30% in this sector of the market. There was a big sell-off of pure Internet companies last summer because of concern about US interest rates. We saw the share prices of some of the bellwethers of the sector, such as Amazon.com, halving. Come September we thought the sell off had become too big and began to increase our weighting in this area of the market.
The second area we invest in is technology infrastructure. Our holdings include companies such as Cisco Systems, Intel and Oracle. These companies develop systems to speed up the functioning of the Internet and 45% of the portfolio is in this area of the market.
The other 10% of the portfolio is invested in Internet-related companies. This can be any company we feel will benefit from the growth of the Internet.
"Our holdings include companies such as Cisco System, Intel and Oracle".
What does he mean by their holdings?Provas
Read the text below in order to answer questions 31 to 35.
AN INTERVIEW WITH A FUND LEADER
Question: Do you invest in pure Internet companies only? Or, in other words, companies with a .com at the end of their name?
Chris Bell: No. We invest in three distinct market sectors and the percentage of the portfolio in each changes as our view alters. Currently, around 45% of the portfolio is in the shares of pure Internet companies. Last summer we had under 30% in this sector of the market. There was a big sell-off of pure Internet companies last summer because of concern about US interest rates. We saw the share prices of some of the bellwethers of the sector, such as Amazon.com, halving. Come September we thought the sell off had become too big and began to increase our weighting in this area of the market.
The second area we invest in is technology infrastructure. Our holdings include companies such as Cisco Systems, Intel and Oracle. These companies develop systems to speed up the functioning of the Internet and 45% of the portfolio is in this area of the market.
The other 10% of the portfolio is invested in Internet-related companies. This can be any company we feel will benefit from the growth of the Internet.
According to the text, some share prices were halving. Therefore, they were
Provas
Read the text below in order to answer questions 31 to 35.
AN INTERVIEW WITH A FUND LEADER
Question: Do you invest in pure Internet companies only? Or, in other words, companies with a .com at the end of their name?
Chris Bell: No. We invest in three distinct market sectors and the percentage of the portfolio in each changes as our view alters. Currently, around 45% of the portfolio is in the shares of pure Internet companies. Last summer we had under 30% in this sector of the market. There was a big sell-off of pure Internet companies last summer because of concern about US interest rates. We saw the share prices of some of the bellwethers of the sector, such as Amazon.com, halving. Come September we thought the sell off had become too big and began to increase our weighting in this area of the market.
The second area we invest in is technology infrastructure. Our holdings include companies such as Cisco Systems, Intel and Oracle. These companies develop systems to speed up the functioning of the Internet and 45% of the portfolio is in this area of the market.
The other 10% of the portfolio is invested in Internet-related companies. This can be any company we feel will benefit from the growth of the Internet.
"The market is having to come to terms with valuation measures".
In other words, the market is having toProvas
Read the text below in order to answer questions 31 to 35.
AN INTERVIEW WITH A FUND LEADER
Question: Do you invest in pure Internet companies only? Or, in other words, companies with a .com at the end of their name?
Chris Bell: No. We invest in three distinct market sectors and the percentage of the portfolio in each changes as our view alters. Currently, around 45% of the portfolio is in the shares of pure Internet companies. Last summer we had under 30% in this sector of the market. There was a big sell-off of pure Internet companies last summer because of concern about US interest rates. We saw the share prices of some of the bellwethers of the sector, such as Amazon.com, halving. Come September we thought the sell off had become too big and began to increase our weighting in this area of the market.
The second area we invest in is technology infrastructure. Our holdings include companies such as Cisco Systems, Intel and Oracle. These companies develop systems to speed up the functioning of the Internet and 45% of the portfolio is in this area of the market.
The other 10% of the portfolio is invested in Internet-related companies. This can be any company we feel will benefit from the growth of the Internet.
When the interviewee refers to "a big sell-off of pure Internet companies", he means that these companies
Provas
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