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Staff Selection Commission Combined Graduate Level Exam

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Question : Select the most appropriate meaning of the given idiom.

Far and wide

Option 1: From the past

Option 2: In the future

Option 3: In all possible ways

Option 4: In all directions

Team Careers360 21st Jan, 2024

Correct Answer: In all directions


Solution : The correct choice is the fourth option.

The idiom far and wide is used to describe a broad or extensive area, indicating a considerable distance or range. It doesn't refer to time but rather to the spatial extent of something. In this

59 Views

Question : PQR is a triangle right-angled at Q and PQ : QR = 3 : 4. What is the value of $\sin P + \sin Q + \sin R?$

Option 1: $\frac{4}{5}$

Option 2: $\frac{3}{5}$

Option 3: $\frac{12}{5}$

Option 4: $\frac{2}{5}$

Team Careers360 12th Jan, 2024

Correct Answer: $\frac{12}{5}$


Solution :
Given: $\angle PQR = 90°$ and $PQ:QR = 3:4$
Let, $PQ = 3k$, $QR = 4k$.
As $PR$ is the hypotenuse, $PR = \sqrt{(3k^{2} + 4k^{2})}=5k$
$\sin P = \frac{QR}{PR} = \frac{4k}{5k}=\frac{4}{5}$
$\sin Q = \sin 90° = 1$
$\sin R = \frac{PQ}{PR} = \frac{3k}{5k}=\frac{3}{5}$

19 Views

Question : What is the value of S $=\frac{1}{1×3×5}+\frac{1}{1×4}+\frac{1}{3×5×7}+\frac{1}{4×7}+\frac{1}{5×7×9}+\frac{1}{7×10}+....$ Up to 20 terms, then what is the value of S?

Option 1: $\frac{6179}{15275}$

Option 2: $\frac{6070}{14973}$

Option 3: $\frac{7191}{15174}$

Option 4: $\frac{5183}{16423}$

Team Careers360 22nd Jan, 2024

Correct Answer: $\frac{6070}{14973}$


Solution : Given:
 $S=\frac{1}{1×3×5}+\frac{1}{1×4}+\frac{1}{3×5×7}+\frac{1}{4×7}+\frac{1}{5×7×9}+\frac{1}{7×10}+....$ Up to 20 terms.
Rewriting it like,
$\frac{1}{1×3×5}+\frac{1}{3×5×7}+\frac{1}{5×7×9}+...+\frac{1}{1×4}+\frac{1}{4×7}+\frac{1}{7×10}+...$Up to 20 terms.
$=\frac{1}{4}[\frac{1}{1×3}-\frac{1}{3×5}+\frac{1}{3×5}-\frac{1}{5×7}+\frac{1}{5×7}-\frac{1}{7×9}+...–\frac{1}{21×23}]+\frac{1}{3}[1-\frac{1}{4}+\frac{1}{4}-\frac{1}{7}+\frac{1}{7}-\frac{1}{10}+...-\frac{1}{31}]$
It will cancel out most of the terms except the first and last term.
$=\frac{1}{4}[\frac{1}{1×3}-\frac{1}{21×23}]+\frac{1}{3}[1-\frac{1}{31}]$
$=\frac{40}{483}+\frac{10}{31}$
$=\frac{6070}{14973}$
Hence, the correct answer is $\frac{6070}{14973}$.

11 Views

Question : Which of the following countries hosted the first edition of the Summer Youth Olympic Games in 2010?

Option 1: China

Option 2: Singapore

Option 3: Argentina

Option 4: Senegal

Team Careers360 18th Jan, 2024

Correct Answer: Singapore


Solution : The correct answer is Singapore.

Inspired by the Olympic Games, the summit conference of young Olympians with talent happens every four years. In 2010, Singapore hosted the first event, and in 2012, Innsbruck hosted the first-ever winter version. Singapore participated in the 2010 Summer Youth

14 Views

Question : Who is called the "Greatest Investigator of antiquity" ?

Option 1: Aristotle 

Option 2: Darwin 

Option 3: Cuvier 

Option 4: Socrates 

Team Careers360 14th Jan, 2024

Correct Answer: Darwin 


Solution : Correct Answer is Darwin

In the 1850s, Charles Darwin penned the controversial and influential book On the Origin of Species. He founded the scientific theory that the process he called "natural selection" produced the branching pattern of evolution .The discovery of human antiquity, which served

15 Views

Question : Rowlatt Act 1919 was enacted during the period of 

Option 1: Lord Chelmsford

Option 2: Lord William

Option 3: Lord Minto

Option 4: Lord Bentinck

Team Careers360 22nd Jan, 2024

Correct Answer: Lord Chelmsford


Solution : The Correct Answer is  Lord Chelmsford

The Act's implementation included harsh and unfair restrictions on Indian citizens who were suspected of engaging in acts of nationalist terrorism. The Rowlatt Act, also called the Anarchical and Revolutionary Crimes Act of 1919, is a law that

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