Staff Selection Commission Combined Graduate Level Exam
Question : Directions: In the following question, find the odd letter cluster from the given alternatives.
Option 1: KP
Option 2: MN
Option 3: HR
Option 4: GT
Correct Answer: HR
Solution : Let's check the options – First option: KP; K and P are the opposite letter pairs. Second option: MN; M and N are the opposite letter pairs. Third option: HR; H and R are not the opposite letter pairs. Fourth option: GT; G and T
Question : Directions: In the question, the sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
His directions to the driver were ___, and helped him to reach on time.
Option 1: expletive
Option 2: implicate
Option 3: explicit
Option 4: implicit
Correct Answer: explicit
Solution : The correct choice is the third option.
Explicit means clear, specific, and leaving no room for misunderstanding. In the context of the sentence, it suggests that the directions given to the driver were clear and helped him arrive on time.
The meanings of the other
Question : A can do a piece of work in 9 days, while B can do it in 12 days. A and B together can do the work in:
Option 1: $5\frac{1}{7}$ days
Option 2: $5\frac{2}{7}$ days
Option 3: $6\frac{1}{7}$ days
Option 4: $6\frac{2}{7}$ days
Correct Answer: $5\frac{1}{7}$ days
Solution : Given: A can do a piece of work in 9 days, while B can do it in 12 days. So, in 1 day A and B can do $\frac{1}{9}$th part and $\frac{1}{12}$th part of the work, respectively. Now together in 1 day they can
Question : The ratio of marks obtained by Rajesh, Rakesh, and Ramesh in an exam is 2 : 4 : 9. What are the marks obtained by Rakesh and Ramesh, if Rajesh scored 30 marks in the exam?
Option 1: Rakesh = 40, Ramesh = 90
Option 2: Rakesh = 60, Ramesh = 135
Option 3: Rakesh = 120, Ramesh = 180
Option 4: Rakesh = 90, Ramesh = 40
Correct Answer: Rakesh = 60, Ramesh = 135
Solution : Let us assume that the marks secured by Rajesh, Rakesh, and Ramesh are $2x,4x, \text{ and }9x$ respectively. Given that Rajesh scored 30 marks in the exam. ⇒ $2x=30$ ⇒ $x=15$ Marks scored by Rakesh $=4x=4\times 15=60$ Marks scored by
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. Any (1) _____ that revolves around a planet is a satellite. Mother Earth has a natural satellite on the moon. The Earth is circled by a lot of man-made or artificial satellites. In 1957, the Soviet Sputnik was the first to be (2) _____ into space. There are currently a number of artificial satellites launched into space by various nations. These satellites make it possible for us to talk on the phone, watch television, predict the weather, map the various surfaces of the earth, and learn more about the world in which we live. How does a satellite get started? It is typically launched into space by means of a rocket. After ascending into the thinner air layers above the earth, the satellite is released from the rocket. For a successful satellite launch, a rocket's speed is carefully calculated and controlled. Every object in space is pushed toward the Earth's centre by gravity. The inertia of motion will propel the object into space if it has its own velocity of motion. When the orbital velocity is exactly right, these two opposing forces are balanced, causing the satellite to (3) _____ towards the earth while still hovering over its surface. earth in a 24-hour period; It doesn't change when compared to a point on the surface of the earth. These orbits are typically used by satellites for communication and weather. The camera on the weather satellites takes pictures and sends them back to Earth. These are helping aid in weather forecasting. Radio receivers and amplifiers on communication satellites can (4) _____ waves back at a frequency that is different from the one the satellite received. The beaming frequencies of satellites that are 'parked' too close to one another must not interfere with one another. Television signals can be transmitted from one location to another using broadcast satellites, and scientists can (5) _____ scientific data from numerous satellites. Select the most appropriate option to fill in the blank no. 4.
Option 1: locate
Option 2: send
Option 3: deliver
Option 4: discharge
Correct Answer: send
Solution : The second option is the correct choice.
Send means to dispatch something to a specific destination or recipient, which is the appropriate choice in this context.
The meanings of the other options are as follows:
Question : Identify the correct statement concerning unsaturated hydrocarbons.
Option 1: Compounds of carbon having a single bond between their carbon atoms are called unsaturated compounds.
Option 2: Compounds of carbon having double bonds or triple bonds between their carbon atoms are called unsaturated compounds.
Option 3: Compounds of carbon having single bonds between their oxygen atoms are called unsaturated compounds.
Option 4: Compounds of carbon having double or triple bonds between their hydrogen atoms are called unsaturated compounds.
Correct Answer: Compounds of carbon having double bonds or triple bonds between their carbon atoms are called unsaturated compounds.
Solution : The correct answer is Compounds of carbon having double bonds or triple bonds between their carbon atoms are called unsaturated compounds.
Unsaturated hydrocarbons are hydrocarbons (compounds consisting of hydrogen
Question : What is popular sovereignty
Option 1: Sovereignty of peoples representative
Option 2: sovereignty of the legal head
Option 3: sovereignty of the head of state
Option 4: sovereignty of the people
Correct Answer: sovereignty of the people
Solution : Correct Answer is sovereignty of the people
Popular sovereignty is a form of democratic government. The people, who have sovereignty or supreme power, are expected to be served by the government that they freely choose. The people are the government's source of
Question : If Anju is 30% more efficient than Bittu, then how much time will they take, working together, to complete a job which Anju alone could have done in 23 days?
Option 1: $13$ days
Option 2: $20 \frac{3}{17}$ days
Option 3: $15$ days
Option 4: $11$ days
Correct Answer: $13$ days
Solution : Given, Anju is 30% more efficient than Bittu. Time taken by Anju to complete the work alone = 23 days Let the efficiency of Bittu be 100. Efficiency of Anju = 100 + 30 = 130 Total work = 130 × 23 = 2990
Question : Direction: In the following question, select the missing number from the given responses.
Option 1: 2
Option 2: 4
Option 3: 6
Option 4: 8
Correct Answer: 8
Solution : Given:
In the first column, 14 × 2 = 28 → 28 ÷ 7 = 4
In the second column, 10 × 3 = 30 → 30 ÷ 3 = 10
In the
Question : There are deer and peacocks in a zoo. By counting heads they are 80. The number of their legs is 200. How many peacocks are there?
Option 1: 50
Option 2: 30
Option 3: 60
Option 4: 20
Correct Answer: 60
Solution : Given: There are deer and peacocks in a zoo. By counting heads they are 80. The number of their legs is 200.
Here,
Let x be the number of deer. Peacock count = y Given x + y = 80
Peacocks have two legs, but
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