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Staff Selection Commission Combined Graduate Level Exam

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Question : What is the value of $\tan 6^{\circ} × \tan 45^{\circ} × \tan 84^{\circ}$?

Option 1: $1$

Option 2: $\tan 6^{\circ} \times \tan 39^{\circ}$

Option 3: $3$

Option 4: $\tan 6^{\circ}+\tan 45^{\circ}+\tan 84^{\circ}$

Team Careers360 24th Jan, 2024

Correct Answer: $1$


Solution : $\tan 6^{\circ} × \tan 45^{\circ} × \tan 84^{\circ}$
= $\tan 6^{\circ} × \tan 45^{\circ} × \tan (90^{\circ}-6^{\circ})$
= $\tan 6^{\circ} × \tan 45^{\circ} × \cot 6^{\circ}$
= $\tan 6^{\circ} × \tan 45^{\circ} × \frac{1}{\tan 6^{\circ}}$
= $\tan 45^{\circ}$
= $1$
Hence, the correct answer is

12 Views

Question : 'Hind Swaraj' or 'Indian Home Rule' is written by which of the following freedom fighters?

Option 1: Dadabhai Naoroji

Option 2: Mahatma Gandhi

Option 3: Bal Gangadhar Tilak

Option 4: Annie Besant

Team Careers360 20th Jan, 2024

Correct Answer: Mahatma Gandhi


Solution : The correct option is Mahatma Gandhi.

"Hind Swaraj" by Mahatma Gandhi, published in 1909, is a seminal work advocating Indian self-rule. It critiques modern civilisation's materialism, emphasising moral, and spiritual values. He promoted nonviolent resistance (Satyagraha) as the path to India's independence from

14 Views

Question : Which crop grows best on black soil?

Option 1: Cotton

Option 2: Coffee

Option 3: Maize

Option 4: Millets

Team Careers360 23rd Jan, 2024

Correct Answer: Cotton


Solution : The correct option is Cotton.

Cotton is known to grow well in black soils, particularly in certain regions with specific soil types. Black soils have good moisture retention properties, which are beneficial for crops like cotton that require a consistent water supply throughout the

12 Views

Question : If the side of an equilateral triangle is 8 cm, then find the area of the triangle (correct to two decimal places).

Option 1: 27.17 cm2

Option 2: 27.27 cm2

Option 3: 27.71 cm2

Option 4: 27.72 cm2

Team Careers360 21st Jan, 2024

Correct Answer: 27.71 cm2


Solution : Given: The side of an equilateral triangle = 8 cm
So, the area of the equilateral triangle = $\frac{\sqrt3 a^2}{4}$
= $\frac{\sqrt3× 8^2}{4}$
= $16\sqrt3$
= 16 × 1.732
= 27.71 cm2
Hence, the correct answer is 27.71 cm2.

7 Views

Question : Which of the following was the debutant team in the ICC women T20 World Cup 2020?

Option 1: Thailand

Option 2: Bangladesh

Option 3: Ireland

Option 4: Afghanistan

Team Careers360 18th Jan, 2024

Correct Answer: Thailand


Solution : The correct answer is Thailand.

Thailand qualified for a Women's T20 World Cup competition for the first time. Following the end of the qualification round, Bangladesh was assigned to Group A, while Thailand was assigned to Group B. Thailand's participation in the ICC Women's T20

16 Views

Question : The phenomenon of raising the outer edge of the curved roads above the inner edge to provide the necessary centripetal force to the vehicles to take a safe turn is called __________________.

Option 1: Banking of roads

Option 2: Cornering of roads

Option 3: Elevation of roads

Option 4: Tempering of roads

Team Careers360 23rd Jan, 2024

Correct Answer: Banking of roads


Solution : The correct option is the Banking of roads.

A construction method known as road banking is used to make curving roads safer for vehicles to travel on at faster speeds. The road surface can be carefully tilted to raise the outer edge

8 Views

Question : If $\cos \left(2 \theta+54^{\circ}\right)=\sin \theta, 0^{\circ}<\left(2 \theta+54^{\circ}\right)<90^{\circ}$, then what is the value of $\frac{1}{\tan 5 \theta+\operatorname{cosec} \frac{5 \theta}{2}}$?

Option 1: $3\sqrt2$

Option 2: $2-\sqrt{3}$

Option 3: $2\sqrt3$

Option 4: $2+\sqrt{3}$

Team Careers360 25th Jan, 2024

Correct Answer: $2-\sqrt{3}$


Solution : Given that $\cos \left(2 \theta+54^{\circ}\right)=\sin \theta$ and $0^{\circ}<\left(2 \theta+54^{\circ}\right)<90^{\circ}$
$⇒\cos \left(2 \theta+54^{\circ}\right)=\cos(90^{\circ}-\theta)$
Solving for $\theta$,
$⇒ \left(2 \theta+54^{\circ}\right)= (90^{\circ}-\theta)$
$⇒3 \theta=36^{\circ}$
$⇒\theta=12^{\circ}$
$⇒\tan 5 \theta=\tan \left(60^{\circ}\right)=\sqrt{3}$
$⇒\operatorname{cosec} \frac{5 \theta}{2}=\operatorname{cosec} \left(30^{\circ}\right)=2$
Now, $\frac{1}{\tan 5 \theta+\operatorname{cosec}\frac{5 \theta}{2}}$
$=\frac{1}{\sqrt{3}+2}$
$=\frac{1}{\sqrt{3}+2}\times\frac{2-\sqrt{3}}{2-\sqrt{3}}$
$=2-\sqrt{3}$
Hence, the correct answer is $2-\sqrt{3}$.

16 Views

Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.

I haven't had _____opportunity to study during the day.

Option 1: very

Option 2: many 

Option 3: much

Option 4: more

Team Careers360 21st Jan, 2024

Correct Answer: much


Solution : The third option is the correct answer: much.

"much" is an adjective or adverb used to indicate a large quantity, degree, or extent of something. "Very" expresses a great degree, "Many" is an adjective indicating a large countable quantity and

12 Views

Question : What did Gandhiji mean by 'Sarvodaya'?

Option 1: Non-violence

Option 2: Upliftment of untouchables or Dalits

Option 3: The birth of a new society based on ethical values

Option 4: Satyagraha

Team Careers360 25th Jan, 2024

Correct Answer: Upliftment of untouchables or Dalits


Solution : The correct answer is the Upliftment of untouchables or Dalits.

The term Sarvodaya was coined by Mahatma Gandhi to signify the upliftment of all sections of society. He was highly influenced by John Ruskin's book Unto This Last and translated it.

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