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Staff Selection Commission Combined Graduate Level Exam

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Question : Steel is used to make a hemispherical bowl that is 0.37 cm thick. The bowl's inner radius is 6 cm. Find the bowl's outside curved surface area (take $\pi=\frac{22}{7}$).

Option 1: 532 cm2

Option 2: 255.0548 cm2

Option 3: 484 cm2

Option 4: 523.4107 cm2

Team Careers360 16th Jan, 2024

Correct Answer: 255.0548 cm2


Solution : Given: Steel is used to make a hemispherical bowl that is 0.37 cm thick.
The bowl's inner radius is 6 cm.
According to the formula,
⇒ Outer radius = 6 + 0.37 = 6.37 cm
$\therefore$ Curved surface area = 2 × 227

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Question : If a speed of rotation of the earth increases, the weight of the body

Option 1: decreases

Option 2: increases

Option 3: remains \: the\: same

Option 4: may\: increase \: or\: decrease

Team Careers360 22nd Jan, 2024

Correct Answer: decreases


Solution : The correct answer is decreases.

According to centrifugal acceleration formulae, as angular speed increases, the net acceleration due to gravity decreases. As a result, the weight will reduce.
Alternatively, as the rotational speed of earth increases, the gravity at equator decreases and as a result the

25 Views

Question : Select the most appropriate SYNONYM of the underlined word in the given sentence.
Truth can never be concealed from anyone.

Option 1: Separated

Option 2: Borrowed

Option 3: Disguised

Option 4: Snatched

Team Careers360 19th Jan, 2024

Correct Answer: Disguised


Solution : The correct choice is the third option.

In the given sentence, the word concealed is used to convey the idea that truth cannot be hidden or kept secret from anyone. Among the options, disguised is the most suitable choice, as it implies altering the

16 Views

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’.

Try to avail of every opportunity that comes your way.

Option 1: avail to

Option 2: avail yourself of

Option 3: No improvement

Option 4: availing of

Team Careers360 13th Jan, 2024

Correct Answer: avail yourself of


Solution : The correct choice is the second option.

Avail yourself of is the correct idiomatic usage, which means to take advantage of. This helps convey the intended meaning that one should try to take advantage of every situation that comes one's way.

Therefore,

20 Views

Question : What is the LCM of $\left(8 x^3+80 x^2+200 x\right)$ and $\left(4 x^4+16 x^3-20 x^2\right)$?

Option 1: $8 x^2(x+5)^2(x-1)$

Option 2: $8 x^2(x-1)^2(x+5)$

Option 3: $4 x^2(x-1)^2(x+5)$

Option 4: $4 x^2(x+5)^2(x-1)$

Team Careers360 23rd Jan, 2024

Correct Answer: $8 x^2(x+5)^2(x-1)$


Solution : Consider, $(8 x^3+80 x^2+200 x)$
Taking $8x$ as common, we get,
$=8x(x^2+10x+25)$
$=8x(x^2+5x+5x+25)$
$=8x(x(x+5)+5(x+5))$
$=8x(x+5)^2$
Now consider, $(4 x^4+16 x^3-20 x^2)$
Taking $4x^2$ as common, we get,
$=4x^2(x^2 + 4x-5)$
$=4x^2(x^2-x+5x-5)$
$=4x^2(x(x-1)+5(x-1))$
$=4x^2(x-1)(x+5)$
$\therefore$ LCM $=8x^2(x+5)^2(x-1)$
Hence, the correct answer is $8x^2(x+5)^2(x-1)$.

48 Views

Question : Study the given chart and answer the following question.

What is the central angle corresponding to the production of steel by Kerala?

Option 1: $82^\circ$

Option 2: $65.8^\circ$

Option 3: $75.2^\circ$

Option 4: $72^\circ$

Team Careers360 20th Jan, 2024

Correct Answer: $72^\circ$


Solution : From the pie chart provided:
Total production = 220 + 240 + 180 + 160 + 200 = 1000
Production in Kerala = 200
Central angle = $\frac{\text{Production in kerala}}{\text{Total production}}\times 360^\circ$
= $\frac{200}{1000}\times 360^\circ$
= $72^\circ$
Hence, the correct answer is $72^\circ$.

107 Views

Question : Select the correct option to substitute the underlined segment in the given sentence.

He had given me that book in 1999.

Option 1: did given me

Option 2: was given me

Option 3: gives me

Option 4: gave me

Team Careers360 23rd Jan, 2024

Correct Answer: gave me


Solution : The correct option to substitute the underlined segment is the fourth option.

The original sentence is in the past perfect tense ("had given"), but for clarity and simplicity, it should be expressed in the simple past tense as the time reference is given.

Therefore,

16 Views

Question : In which of the following states India's first Green Rail Corridor was launched in October 2022?

Option 1: Karnataka

Option 2: Maharashtra

Option 3: Himachal Pradesh

Option 4: Tamil Nadu

Team Careers360 21st Jan, 2024

Correct Answer: Tamil Nadu


Solution : The correct answer is Tamil Nadu.

The Rameswaram-Manamadurai track in Tamil Nadu was chosen as the first green train corridor. These corridors are human waste-free zones. It was inaugurated on July 24, 2016. The 114-kilometre Rameswaram-Manamadurai railway line has been equipped with bio-toilets.

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