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Staff Selection Commission Combined Graduate Level Exam

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Question : Comprehension:

Read the following passage and answer the questions given after it.

New Delhi: India is set to surpass China as the world's most populous country in 2023, with each counting more than 1.4 billion residents this year, a United Nations report said on Monday, warning that high fertility would challenge economic growth.

The world's population, estimated to reach 8 billion by November 15 this year, could grow to 8.5 billion in 2030 and 10.4 billion in 2100 as the pace of mortality slows, said the report released on World Population Day.

India's population was 1.21 billion in 2011, according to the domestic census, which is conducted once a decade. The government had deferred the 2021 census due to the COVID-19 pandemic.

The world's population was growing at its slowest pace since 1950, having fallen below 1 per cent in 2020, UN estimates showed.

In 2021, the average fertility of the world's population stood at 2.3 births per woman over a lifetime, having fallen from about 5 births in 1950. Global fertility is projected to decline further to 2.1 births per woman by 2050.

Referring to an earlier World Health Organisation report estimating about 14.9 million deaths relating to the COVID-19 pandemic between January 2020 and December 2021, the UN report said global life expectancy at birth fell to 71 years in 2021 from 72.8 years in 2019, mostly due to the pandemic.

The United Nations said more than half of the projected increase in the global population up to 2050 will be concentrated in eight countries: the Democratic Republic of the Congo, Egypt, Ethiopia, India, Nigeria, Pakistan, the Philippines, and Tanzania. Countries in sub-Saharan Africa are expected to contribute more than half of the increase anticipated through 2050.

However, the population of 61 countries is projected to decrease by 1% or more between 2022 and 2050, driven by a fall in fertility.

Question:
According to the UN report, the fertility rate in 1950 stood at how many average births per woman?

Option 1: 2.3 births per woman

Option 2: 2.1 births per woman

Option 3: 3 births per woman

Option 4: 5 births per woman

Team Careers360 14th Jan, 2024

Correct Answer: 5 births per woman


Solution : The fourth option is the correct answer.

The first sentence of the fifth paragraph says that "In 2021, the average fertility of the world's population stood at 2.3 births per woman over a lifetime, having fallen from about 5 births in 1950".

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Question : Which of the following became the first country in the world to legalise euthanasia?

Option 1: Belgium

Option 2: Netherlands

Option 3: Denmark

Option 4: Canada

Team Careers360 16th Jan, 2024

Correct Answer: Netherlands


Solution : The correct answer is the Netherlands.

The Netherlands became the first country to legalise euthanasia on April 10, 2001. It legalised active euthanasia and assisted suicide for anyone who wants to end unbearable suffering with no possibility of improvement. In the Netherlands, active euthanasia,

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Question : A copper sphere of diameter 18 m is drawn into a cylindrical wire of length 12 m. What is the radius of the wire?

Option 1: 5 m

Option 2: 9 m

Option 3: 3 m

Option 4: 12 m

Team Careers360 11th Jan, 2024

Correct Answer: 9 m


Solution : Diameter of copper sphere = 18 m
Radius ($R$) = $\frac{18}{2}$ = 9 m
Volume of copper sphere = $\frac{4}{3}×\pi×R^3$
= $\frac{4}{3}×\pi×9^3$ = $972\pi$
Since the volume is the same,
Volume of cylinder wire = $\pi r^2h$
⇒ $972\pi = \pi×r^2×12$
⇒ $r^2 =

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Question : If a : b = c : d, then which of the following ratios is equal to a : c?

Option 1: a : d

Option 2: b : c

Option 3: a + d : b + c

Option 4: a + b : c + d

Team Careers360 22nd Jan, 2024

Correct Answer: a + b : c + d


Solution : $a : b = c : d$
⇒ $\frac{a}{b}$ = $\frac{c}{d}$
⇒ $\frac{a}{b}$ + 1 = $\frac{c}{d}$ + 1
⇒ $\frac{a+b}{b}$ = $\frac{c+d}{d}$
⇒ $\frac{b}{d}$ = $\frac{a+b}{c+d}$
So, b : d = (a + b) : (c + d)

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Question : What is the third proportional number to 10 and 20?

Option 1: 30

Option 2: 25

Option 3: 50

Option 4: 40

Team Careers360 17th Jan, 2024

Correct Answer: 40


Solution : Let the third proportional be $x$.
So, $a:b::b:x$
⇒ $10:20::20:x$
⇒ $\frac{10}{20}=\frac{20}{x}$
⇒ $x=\frac{400}{10}$ = 40
Hence, the correct answer is 40.

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Question : In computer processing,__________ selects processes from the pool and loads them into memory for execution.

Option 1: Job Scheduler

Option 2: Resource Scheduler

Option 3: CPU Scheduler

Option 4: Process Scheduler

Team Careers360 16th Jan, 2024

Correct Answer: Job Scheduler


Solution : The correct answer is Job Scheduler.

A job scheduler is a special sort of scheduler that is used to oversee the execution of batch processes. Batch jobs are non-interactive, long-running jobs that are submitted to the scheduler for execution at a later time. Data

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Question : Select the most appropriate option to improve the underlined segment in the given sentence. If there is no need to improve it, select ‘No improvement’.

I bet you can’t beat me by chess.

Option 1: No improvement

Option 2: in the chess

Option 3: on chess

Option 4: at chess

Team Careers360 17th Jan, 2024

Correct Answer: at chess


Solution : The fourth option is the correct choice.

  • In the given sentence, the use of the preposition "by" is incorrect.
  • The preposition "by" is used to indicate the means of achieving something.
  • To beat somebody at something means to defeat someone in a game or
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