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Staff Selection Commission Combined Graduate Level Exam

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Question : Who created the first mechanical prototype for future computers?

Option 1: John Sullivan

Option 2: John Harrison

Option 3: Cai Lun

Option 4: Charles Babbage

Team Careers360 24th Jan, 2024

Correct Answer: Charles Babbage


Solution : The correct option is Charles Babbage.

English scientist and computer pioneer Charles Babbage created the analytical engine, a mechanical general-purpose computer. Babbage is regarded as the father of the computer. He was a mathematician, philosopher, and polymath from Britain. He invented the computer in

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Question : Directions: Which two signs and two numbers should be interchanged in the following equation to make it correct?
20 – 10 × 342 ÷ 19 + 51 = 211

Option 1: 51 and 20, – and +

Option 2: 20 and 342, – and ÷

Option 3: 10 and 20, – and ×

Option 4: 19 and 342, × and ÷

Team Careers360 14th Jan, 2024

Correct Answer: 51 and 20, – and +


Solution : Given:
20 – 10 × 342 ÷ 19 + 51 = 211

Interchange the numbers and signs in the options one by one in the given equation. 
First option: 51 and 20, – and +
20 – 10 × 342

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Question : Comprehension:
Read the following passage and answer the questions given after it.

Amidst a maze of rocks tucked in the Aravalli mountain ranges of Haryana, a team of archaeologists discovered cave paintings they believe belong to the Upper Palaeolithic age. The cave paintings have been discovered just outside the national capital and a stone's throw away from a holy grove called Mangar Bani- the region's only surviving patch of primary forest.
While the residents of the villages have been familiar with the paintings for ages, the Haryana government's museum and archaeology department took note of them just recently. A fact-finding team was sent to the area in the last week of June. The team came across cave paintings comprising images of human figurines, animals, foliage, and geometric drawings. While some have paled over time, others are still very visible. They also discovered rock art and open-air ceremonial sites.
Banani Bhattacharyya, deputy director of the department of archaeology and museums, informed, "So far, cave paintings in Delhi-NCR have only been found here. The paintings are yet to be dated, but at least some of them belong to the Upper Palaeolithic period in all likelihood. We are viewing the paintings in continuation with the Soanian culture which has been found in Shivalik Hills, Narmada, and Aravallis."
Most of the cave paintings found were in ochre colour, but some were in white. As per experts, cave paintings in white are usually from a later stage (early contemporary era), while Stone Age paintings are more often than not in ochre. "Stone age paintings generally use red and ochre colours. Stones of these colours used to be available locally, and inhabitants crushed the stones for preparing the colour for paintings," added Bhattacharyya.
The Upper Palaeolithic Age began around 40,000 years ago and lasted until around 10,000 years ago. While yet to be established through archaeological dating, Bhattacharyya says the Mangar cave art is $20,000–40,000 years old. Bhattacharyya claimed that the discovery is extremely significant. "Starting from the Lower Palaeolithic to the Middle Palaeolithic and then the Upper Palaeolithic, we see the evolution here. We have found significant remains from the Lower Palaeolithic to the Middle and Upper Palaeolithic periods too," she explained. "Though tools from the Palaeolithic Age have been identified earlier in parts of the Aravallis, it is for the first time that cave paintings and rock art of a large magnitude have been found in Haryana," she added.
Question:
Most of the cave paintings found in the Mangar forest area in Haryana are in which colour?

Option 1: black

Option 2: white

Option 3: red

Option 4: ochre

Team Careers360 17th Jan, 2024

Correct Answer: ochre


Solution : The fourth option is the correct choice (refer to the fourth paragraph).

Most of the cave paintings found in the Mangar forest area of Haryana are in the colour ochre. The passage mentions that most of the cave paintings found in the Mangar forest

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Question : Directions: Select the figure that will replace the question mark (?) in the following figure series.

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 20th Jan, 2024

Correct Answer:


Solution : In the given figure, alternate boxes are similar to each other.
Thus, the missing part of the figure is alternated to –

Therefore, the complete figure is –

Hence, the second option is correct.

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Question : Directions: Select the option figure in which the given figure (X) is embedded as its part (rotation is NOT allowed).

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 18th Jan, 2024

Correct Answer:


Solution : Since the rotation is restricted. So, the embedded figure will have the same orientation as the main figure. By comparison of the question figure with all the option figures, the given question figure is embedded only in the first option figure.

Hence, the first option is

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Question : The branch of biology which deals with extinct organisms is called.

Option 1: Palynology

Option 2: Phylogeny

Option 3: Palaeobotany

Option 4: Palaeontology

Team Careers360 19th Jan, 2024

Correct Answer: Palaeontology


Solution : The correct option is Palaeontology.

The branch of biology that deals with extinct organisms is called palaeontology. Palaeontology is the scientific study of prehistoric life, including the study of fossils, ancient organisms and their environments. Palaeontologists use various methods and techniques to reconstruct the

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Question : Directions: Ram walks 3 km towards the east, takes a left turn, and walks for 1 km before he turns left and walks 2 km to take another left turn to walk for another 1 km. How many km is he away from his starting point?

Option 1: 1 km

Option 2: 2 km

Option 3: 3 km

Option 4: 4 km

Team Careers360 25th Jan, 2024

Correct Answer: 1 km


Solution : Firstly, we will draw the diagram as per the given instructions –

In the above figure, O is the starting point and D is the finishing point. So, OD is the distance from the starting point.
OD = OA – AD
And, AD =

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Question : Three solid metallic spheres of radii 1 cm, 6 cm, and 8 cm, respectively, are melted and recast into a single solid sphere. The radius of the new sphere formed is:

Option 1: 9.0 cm

Option 2: 5.9 cm

Option 3: 7.7 cm

Option 4: 8.5 cm

Team Careers360 18th Jan, 2024

Correct Answer: 9.0 cm


Solution : Given: The three original spheres had radii of 1 cm, 6 cm, and 8 cm, respectively.
Volume of a sphere $= \frac{4}{3} \pi r^3$ (where $r$ is the radius)
The total volume of the three original spheres
$=\frac{4}{3} \pi ×1^3 + \frac{4}{3} \pi ×

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Question : Directions: In the question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
A large ___ of angry bisons rampaged through the villages.

Option 1: herd

Option 2: swarm

Option 3: group

Option 4: flock

Team Careers360 24th Jan, 2024

Correct Answer: herd


Solution : The correct answer is the first option as 'herd' is a collective noun used for 'grazing animals' whereas collective nouns 'swarm' is used for 'bees', and 'flock' is used for 'people, animals and things'.

Therefore, the correct statement should be "A large herd of angry

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