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Staff Selection Commission Combined Graduate Level Exam

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Question : Directions: In the following question, find the odd number from the given alternatives.

Option 1: 49

Option 2: 25

Option 3: 8

Option 4: 36

Team Careers360 24th Jan, 2024

Correct Answer: 8


Solution : Let's check the options –
First option: 49; 49 = (7)2
Second option: 25; 25 = (5)2
Third option: 8; 8 is not a square of any number. 
Fourth option: 36; 36 = (6)2

The third option does not follow a similar

11 Views

Question : If $(x-\frac{1}{x})^2=\sqrt3$, then the value of $(x^6+\frac{1}{x^6})$ equals:

Option 1: 90

Option 2: 100

Option 3: 110

Option 4: 120

Team Careers360 18th Jan, 2024

Correct Answer: 110


Solution : Given: $(x-\frac{1}{x})^2=\sqrt3$
Squaring both sides, we get,
$⇒(x-\frac{1}{x})^2=(\sqrt3)^2$
$⇒x^2+\frac{1}{x^2}–2=3$
$⇒x^2+\frac{1}{x^2}=5$
Cubing on both sides, we get,
$⇒(x^2+\frac{1}{x^2})^3=5^3$
$⇒x^6+\frac{1}{x^6}+3(x^2+\frac{1}{x^2})=125$
$⇒x^6+\frac{1}{x^6}+3\times5=125$
$⇒x^6+\frac{1}{x^6}=125-15$
$\therefore x^6+\frac{1}{x^6}=110$
Hence, the correct answer is 110.

51 Views

Question : Who among the following won the Padma award for his efforts on S&T-based innovative ways of creating Naga folk music?

Option 1: Moa Subong

Option 2: C. V. Raju

Option 3: Baba Balia

Option 4: T. Senka Ao

Team Careers360 19th Jan, 2024

Correct Answer: Moa Subong


Solution : The correct option is Moa Subong.

Moa Subong won the Padma Shri award for 2023 for his efforts on S&T-based innovative ways of creating Naga folk music. He is a grassroots innovator from Dimapur, Nagaland, who has developed a new wind musical instrument

10 Views

Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 19th Jan, 2024

Correct Answer:


Solution : As per mirror image properties, closer things appear closer to the mirror in reflection.
According to the given figure, when the mirror is placed on the line MN, the left side and the right side get interchanged, i.e., the left side becomes the right and the

158 Views

Question : Select the most appropriate option to fill in the blank.

The movie was released _________ expected.

Option 1: later than

Option 2: most later than

Option 3: later then

Option 4: more later than

Team Careers360 20th Jan, 2024

Correct Answer: later than


Solution : The correct choice is the first option.

Explanation:

When comparing the release time of the movie to the expected time, the appropriate comparative adverb is "later than". This construction indicates that the movie was released after the anticipated or expected time.

Therefore, the correct

18 Views

Question : Which town / city in India  has got a tower ( minaar ) named after Muhammad Ali Jinnah ?

Option 1: Mumbai .

Option 2: Aligarh .

Option 3: Calicut .

Option 4: Gantur.

Team Careers360 22nd Jan, 2024

Correct Answer: Gantur.


Solution : Correct Answer is Guntur

At Mahatma Gandhi Road in Guntur, Andhra Pradesh, a tower honors Muhammad Ali Jinnah, the father of Pakistan.The tower stands tall on six pillars and opens to a dome. It was constructed during the time before independence.One of the few Islamic-style

1 View

Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
25 * 2 * 220 * 11 * 43

Option 1: +, –, ×, =

Option 2: +, –, ÷, =

Option 3: +, +, ÷, =

Option 4: –, +, ÷, =

Team Careers360 24th Jan, 2024

Correct Answer: –, +, ÷, =


Solution : Given:
25 * 2 * 220 * 11 * 43

Replace * with the mathematical signs and solve the equations one by one.
Let's check the given options –
First option: +, –, ×, =
⇒ 25 + 2 – 220 ×

21 Views

Question : Let $x=\frac{\sqrt{13}+\sqrt{11}}{\sqrt{13}-\sqrt{11}}$ and $y=\frac{1}{x}$, then the value of $3x^{2}-5xy+3y^{2}$ is:

Option 1: 1717

Option 2: 1177

Option 3: 1771

Option 4: 1171

Team Careers360 17th Jan, 2024

Correct Answer: 1717


Solution : The value of $x=\frac{\sqrt{13}+\sqrt{11}}{\sqrt{13}-\sqrt{11}} $
After rationalizing this, we get,
$ =\frac{(\sqrt{13}+\sqrt{11})(\sqrt{13}+\sqrt{11})}{(\sqrt{13}-\sqrt{11})(\sqrt{13}+\sqrt{11})} $ $=\frac{(13+2\sqrt{143}+11)}{(13-11)} =\frac{24+2\sqrt{143}}{2} =12+\sqrt{143}$
The value of $y=\frac{1}{x} =\frac{1}{12+\sqrt{143}} $
After rationalizing this, we get,
$ =\frac{(12-\sqrt{143})}{(12+\sqrt{143})(12-\sqrt{143})} =\frac{(12-\sqrt{143})}{1} =
12-\sqrt{143}$
$⇒3x^{2}-5xy+3y^{2}$
$=3(12+\sqrt{143})^{2}-5(12+\sqrt{143})(12-\sqrt{143})+3(12-\sqrt{143})^{2}$
$=3(144+24\sqrt{143}+143)-5(144-143)+3(144-24\sqrt{143}+143)$
$=3(287+24\sqrt{143})-5+3(287-24\sqrt{143})$
$=861+72\sqrt{143}-5+861-72\sqrt{143}$
$=1717$
Therefore, the value of $3x^{2}-5xy+3y^{2}$ is 1717.

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