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Staff Selection Commission Combined Graduate Level Exam

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Question : If $\sec A+\tan A=5$, then $\sin A$ is equal to:

Option 1: $\frac{5}{13}$

Option 2: $\frac{5}{12}$

Option 3: $\frac{13}{12}$

Option 4: $\frac{12}{13}$

Team Careers360 15th Jan, 2024

Correct Answer: $\frac{12}{13}$


Solution : Given: $\sec A+\tan A=5$ ----------(equation 1)
We know,
$\sec^2A–\tan^2A=1$
⇒ $(\sec A+\tan A)(\sec A–\tan A)=1$
⇒ $5(\sec A–\tan A)=1$
⇒ $\sec A–\tan A=\frac{1}{5}$ -----------(equation 2)
Solving equations 1 and 2 we get,
$\sec A=\frac{26}{10}$ and $\tan A=\frac{24}{10}$.
So, $\sin A=\frac{\tan A}{\sec A}=\frac{\frac{24}{10}}{\frac{26}{10}}=\frac{12}{13}$.
Hence, the correct

34 Views

Question : Identify an example of decomposers that are found in the bottom of a pond.

Option 1: Zooplankton

Option 2: Jellyfishes

Option 3: Flagellates

Option 4: Phytoplankton

Team Careers360 17th Jan, 2024

Correct Answer: Flagellates


Solution : The correct answer is Flagellates.

The bottoms of the pond are home to flagellates. Flagellates represent protozoa. They can be found in freshwater, seawater, and soil. Some are pathogenic and can be found within the bodies of other organisms. These are eukaryotic, unicellular organisms.

76 Views

Question : Select the option that expresses the given sentence in active voice.
The task has been completed.

Option 1: Someone has completed the task.

Option 2: Someone has been completing the task.

Option 3: Someone will be completing the task.

Option 4: Someone completes the task.

Team Careers360 13th Jan, 2024

Correct Answer: Someone has completed the task.


Solution : The first option is the correct choice.

In active voice, the subject of the sentence should act directly. In the active voice transformation, we introduce the doer of the action (someone) as the subject and reposition the task as the object.

19 Views

Question : Select the option that expresses the given sentence in passive voice.

Somebody is following us.

Option 1: Somebody had been following us.

Option 2: Somebody is following us.

Option 3: We have been following by somebody.

Option 4: We’re being followed by somebody.

Team Careers360 17th Jan, 2024

Correct Answer: We’re being followed by somebody.


Solution : The correct choice is the fourth option.

Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active sentence becomes the subject in the passive

159 Views

Question : Directions: In a certain code language, PEN is coded as 9, and PAPER is coded as 25. How will the CHAPTER be coded in the same language?

Option 1: 36

Option 2: 49

Option 3: 24

Option 4: 42

Team Careers360 24th Jan, 2024

Correct Answer: 49


Solution : Given:
PEN is coded as 9 and PAPER is coded as 25.

Square the number of letters in PEN, to get the required code –
The number of letters in PEN is 3, and 32 = 9
Thus, PEN is coded as 9.
And,

13 Views

Question : Direction: Z A5 , Y4B , X C, W3 D , ?

Option 1: V E7    

Option 2: EV

Option 3: V2 E

Option 4: V E5

Team Careers360 13th Jan, 2024

Correct Answer: V E7    


Solution : Given: 

 Z A5 , Y4B , X C, W3 D , ?

Here letters are paired with their counterparts if they are positioned in an alphabetical order. 

Z → A , Y → B , X →

12 Views

Question : Lungs are the primary organs of_________.

Option 1: Digestion

Option 2: Constipation

Option 3: Perspiration

Option 4: Respiration

Team Careers360 9th Jan, 2024

Correct Answer: Respiration


Solution : The correct option is respiration

The primary function of the lungs is to exchange gases between the body and the environment during respiration. They are essential for providing oxygen to the body's cells and eliminating carbon dioxide, a byproduct of cellular metabolism. This process

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