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Staff Selection Commission Combined Graduate Level Exam

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Question : A boat covers 35 km downstream in 2 h and covers the same distance upstream in 7 h. Find the speed (in km/h) of the boat in still water.

Option 1: 11.25

Option 2: 28.75

Option 3: 18.25

Option 4: 10.55

Team Careers360 25th Jan, 2024

Correct Answer: 11.25


Solution : A boat covers 35 km downstream in 2 h and covers the same distance upstream in 7 h.
Let the speed of the boat in still water be $x\ \text{km/h}$.
Let the speed of the stream be $y\ \text{km/h}$.
According to the question,
Speed of

11 Views

Question : If $x+\frac{1}{x}=c+\frac{1}{c}$, then the value of $x$ is:

Option 1: $c,\frac{1}{c}$

Option 2: $c,c^{2}$

Option 3: $c,2c$

Option 4: $0, 1$

Team Careers360 25th Jan, 2024

Correct Answer: $c,\frac{1}{c}$


Solution : Given: $x+\frac{1}{x}=c+\frac{1}{c}$
⇒ $x-c=\frac{1}{c}–\frac{1}{x}$
⇒ $x-c=\frac{(x–c)}{xc}$
⇒ $(x-c)-\frac{(x–c)}{xc}=0$
⇒ $(x-c)[1-\frac{1}{xc}]=0$
Taking, $(x-c)=0$
⇒ $x=c$
Now, taking $[1-\frac{1}{xc}]=0$
⇒ $\frac{1}{xc}=1$
⇒ $x=\frac{1}{c}$
Hence, the correct answer is $c,\frac{1}{c}$.

59 Views

Question : Which of the following is a natural acid-base indicator?

I. Litmus

II. Turmeric

Option 1: Only II

Option 2: Only I

Option 3: Neither I nor II

Option 4: Both I and II

Team Careers360 25th Jan, 2024

Correct Answer: Both I and II


Solution : The correct answer is Both I and II.

Both litmus and turmeric are natural acid-base indicators.

I. Litmus is a natural indicator used to test for the presence of acids or bases. It turns red in the presence of an acid

176 Views

Question : In 6 minutes, $\frac{4}{13}$ of a bucket is filled. How much time will it take to fill the remaining bucket?

Option 1: 13 minutes 30 seconds

Option 2: 14 minutes 30 seconds

Option 3: 11 minutes 30 seconds

Option 4: 12 minutes 30 seconds

Team Careers360 25th Jan, 2024

Correct Answer: 13 minutes 30 seconds


Solution : Work = Efficiency × Time
Let the capacity of the bucket be 13 units, then 4 units will be filled in 6 minutes.
then, 1 unit is filled in $\frac{6}{4}$ minutes = 1.5 minutes
So, the remaining 9 units be filled in

31 Views

Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Any (1)_____ that revolves around a planet is a satellite. Mother Earth has a natural satellite on the moon. The Earth is circled by a lot of man-made or artificial satellites. In 1957, the Soviet Sputnik was the first to be (2)_____ into space. There are currently a number of artificial satellites launched into space by various nations.
These satellites make it possible for us to talk on the phone, watch television, predict the weather, map the various surfaces of the earth, and learn more about the world in which we live.
How does a satellite get started? It is typically launched into space by means of a rocket. After ascending into the thinner air layers above the earth, the satellite is released from the rocket. For a successful satellite launch, a rocket's speed is carefully calculated and controlled. Every object in space is pushed towards the Earth's centre by gravity. The inertia of motion will propel the object into space if it has its own velocity of motion. When the orbital velocity is exactly right, these two opposing forces are balanced, causing the satellite to (3) ______ towards the earth while still hovering over its surface. earth in a 24-hour period; It doesn't change when compared to a point on the surface of the earth. These orbits are typically used by satellites for communication and weather. The camera on the weather satellites takes pictures and sends them back to Earth. These are helping aid in weather forecasting. Radio receivers and amplifiers on communication satellites can (4) _____ waves back at a frequency that is different from the one the satellite received. The beaming frequencies of satellites that are 'parked' too close to one another must not interfere with one another. Television signals can be transmitted from one location to another using broadcast satellites, and scientists can (5) _____ scientific data from numerous satellites.
Select the most appropriate option to fill in the blank no. 1.

Option 1: piece

Option 2: being

Option 3: body

Option 4: object

Team Careers360 25th Jan, 2024

Correct Answer: object


Solution : The fourth option is the correct choice.

"Piece" and "being" are incorrect as they mean a portion of a bigger object and a living entity, respectively. "Body" might refer to "celestial bodies", making it correct. But this will not include man-made satellites. Hence, the most

20 Views

Question : Directions: In the following question, some parts of the sentence may have some errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select 'No Error'.

The lawyer asked the complainant (1) / to put his sign (2) / on the paper. (3) / No Error (4)

Option 1: (1)

Option 2: (2)

Option 3: (3)

Option 4: (4)

Team Careers360 25th Jan, 2024

Correct Answer: (2)


Solution : The error is in the second part of the sentence. It should be "signature" instead of "sign". "Signature" is the appropriate word to refer to a person's written name on a document.

Therefore, the correct sentence is "The lawyer asked the complainant to put his

10 Views

Question : Who was Player of the Match in the final of U-19 World Cup cricket in 2022?

Option 1: James Rew

Option 2: Nishant Sindhu

Option 3: Raj Bawa

Option 4: Yash Dhull

Team Careers360 25th Jan, 2024

Correct Answer: Raj Bawa


Solution : The correct answer is Raj Bawa.

In the final of the 2022 U-19 Cricket World Cup, Raj Bawa was named Player of the Match. When Raj Bawa concluded with numbers of 5/31 against England in the U19 World Cup final in North Sound,

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