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Staff Selection Commission Sub Inspector Exam

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Question : Directions: Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.
1. Satellite
2. Galaxy
3. Universe
4. Planet
5. Sun

Option 1: 1, 3, 5, 4, 2

Option 2: 3, 2, 5, 4, 1

Option 3: 1, 2, 3, 4, 5

Option 4: 3, 4, 5, 1, 2

Team Careers360 24th Jan, 2024

Correct Answer: 3, 2, 5, 4, 1


Solution : Given:
1. Satellite 2. Galaxy 3. Universe 4. Planet 5. Sun

The universe is comprised of galaxies, each of which contains multiple suns, and each sun has planets revolving around it, which in turn have satellites revolving around them.
So, the

37 Views

Question : The average height of three kids is 56 cm and their heights are in the proportions of 7 : 8 : 9. Find the heights of all three.

Option 1: 42 cm, 48 cm, and 54 cm

Option 2: 56 cm, 64 cm, and 72 cm

Option 3: 35 cm, 40 cm, and 45 cm

Option 4: 49 cm, 56 cm, and 63 cm

Team Careers360 24th Jan, 2024

Correct Answer: 49 cm, 56 cm, and 63 cm


Solution : The average height of three kids = 56 cm
The sum of the heights = 56 × 3 = 168 cm
The given ratio of heights = 7 : 8 : 9
Let the heights be $7x, 8x$, and

28 Views

Question : Directions: Which of the following terms will replace the question mark (?) in the given series?
LDEA, NGIF, ?, RMQP, TPUU

Option 1: PMJK

Option 2: PIMK

Option 3: PMIK

Option 4: PJMK

Team Careers360 25th Jan, 2024

Correct Answer: PJMK


Solution : Given:
LDEA, NGIF, ?, RMQP, TPUU

Add 2, 3, 4, and 5 to the first, second, third, and fourth letters of the previous term to obtain the next term in the series –

LDEA→L + 2 = N; D + 3 = G; E +

30 Views

Question : Pipe A can fill a tank of capacity 350 litres in $3 \frac{1}{2}$ minutes. Pipe B can fill a tank of capacity 780 litres in $8 \frac{2}{3}$ minutes. How long (in min) will it take to fill a tank of capacity 1615 litres, if both pipes are opened together?

Option 1: $9$

Option 2: $7 \frac{1}{2}$

Option 3: $8 \frac{1}{2}$

Option 4: $8$

Team Careers360 25th Jan, 2024

Correct Answer: $8 \frac{1}{2}$


Solution : Use: Time taken by a pipe = $\frac{\text{Capacity of tank}}{\text{Efficiency of a pipe}}$
Given:
Pipe A can fill a tank of capacity 350 litres in $3\tfrac{1}{2}$ minutes
Pipe B can fill a tank of capacity 780 litres in $8\tfrac{2}{3}$ minutes
Now,
Pipe A can

20 Views

Question : Select the most appropriate meaning of the given idiom.
Come what may

Option 1: To be among the latest

Option 2: No matter what happens

Option 3: To get frightened

Option 4: Meeting someone

Team Careers360 25th Jan, 2024

Correct Answer: No matter what happens


Solution : The correct choice is the second option.

Explanation: The idiom "come what may" means "no matter what happens". It expresses a commitment or determination to face any challenges or difficulties that may arise. In the context of the sentence, it indicates unwavering

21 Views

Question : If $\sqrt5=2.236$, then what is the value of $\frac{\sqrt5}{2}+\frac{5}{3\sqrt5}-\sqrt{45}$?

Option 1: – 8.571

Option 2: – 4.845

Option 3: – 2.987

Option 4: – 6.261

Team Careers360 24th Jan, 2024

Correct Answer: – 4.845


Solution : Given:
$\sqrt{5} = 2.236$
$\frac{\sqrt{5}}{2} + \frac{5}{3\sqrt{5}} - \sqrt{45}$
Now evaluate the equation,
= $ \frac{\sqrt{5}\times3\sqrt{5} + 5\times2-3\sqrt{5}\times2\times3\sqrt{5}}{2\times3\sqrt{5}}$
= $ \frac{15 + 10 - 90}{2\times3\sqrt{5}}$
= $ -\frac{65}{2\times3\sqrt{5}}$
Rationalising the fraction
= $ -\frac{65\sqrt{5}}{30}$
Put the value of $\sqrt{5} = 2.236$
= $-\frac{65\times 2.236}{30}

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