Staff Selection Commission Combined Graduate Level Exam
Question :
Triangle ABC is circumscribed around circle D. Segments AQ, BR, and SC measure 13,10.5, and 6 cm, respectively. The perimeter of triangle ABC is:
Option 1: 29.5 cm
Option 2: 59 cm
Option 3: 108 cm
Option 4: 15 cm
Correct Answer: 59 cm
Solution : Given: Triangle ABC is circumscribed around circle D Segments AQ = 13 cm BR = 10.5 cm SC = 6 cm $\because$ The tangents drawn from an external point to the circle are equal in length, AQ = AS = 13 cm BR =
Question : Study the given table and answer the question that follows. The table shows the classification of 100 students based on the marks obtained by them in history and geography in an examination.
Based on the table, what is the number of students scoring less than 20% marks in aggregate?
Option 1: 13
Option 2: 11
Option 3: 10
Option 4: 12
Correct Answer: 13
Solution : Given that 20% of 50 marks = 0.2 × 50 = 10 marks The number of students scoring less than 20% marks in aggregate = The number of students scoring 0 and above marks in aggregate – The number of students scoring 10 and above
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
The main purpose of the visit (1) / is to develop a close relationship (2) / among the two countries. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The error in the sentence is in part (3).
It should be "between the two countries" to indicate the relationship between two specific countries. Additionally, it's important to use the article "the" before "two countries" for correct grammar.
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 in 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 towards 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. 3.
Option 1: migrate
Option 2: move
Option 3: stir
Option 4: jump
Correct Answer: move
Solution : The second option is the correct choice.
Move means to change one's location or position. Thus, it is the most appropriate choice in this context.
The meanings of the other options are as follows:
Question : Directions: Select the option that represents the letters that, when placed from left to right in the following blanks, will complete the letter series. MNB_CM_ _WCMNB_ _M_ _YC
Option 1: VNBXCNB
Option 2: VNBYDNB
Option 3: WYYYCNB
Option 4: WNBYDNB
Correct Answer: VNBXCNB
Solution : Given: MNB_CM_ _WCMNB_ _M_ _YC
To fill the series we have to divide the series – MNB_C / M_ _WC / MNB_ _ / M_ _YC
Let's check each option – First option: VNBXCNB; MNBVC / MNBWC / MNBXC /
Question : Directions: If R ÷ S means that R is the mother of S, R × S means that R is the father of S and R – S means that R is the sister of S, then which of the following expressions shows that P is the father of R?
Option 1: P × Q ÷ R
Option 2: Q × P – R
Option 3: R × Q – P
Option 4: P × Q – R
Correct Answer: P × Q – R
Solution : Let's check the options – First option: P × Q ÷ R According to the given expression, the family tree will be as follows – Here, the quadrilateral represents the male, and the circular figure represents the female in the figure.
Question : Directions: How many triangles are there in the given figure?
Option 1: 8
Option 2: 9
Correct Answer: 9
Solution : The figure can be labeled as shown below –
There are a total of 9 triangles in the above figure. They are ADE, ADF, ADB, AEF, AEB, AFB, DCB, DGC, CGB.
Hence, the second option is correct.
Question : Directions: Select the figure from among the given options that can replace the question mark (?) in the following series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the question figure – 1. In the given box 4 and 3 lines are added alternately. 2. The lines are getting added in pentagon form. 3. The lines are getting added from the left-hand side.
Therefore, the following figure is the required missing figure
Question : Directions: Two Statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: I. All P is Q. II. All R is Q. Conclusion: I. All Q is R. II. All P is R.
Option 1: Neither conclusion follows
Option 2: Only conclusion I follows
Option 3: Only conclusion II follows
Option 4: Both conclusions I and II follow
Correct Answer: Neither conclusion follows
Solution : According to the given statements, the following Venn diagram can be drawn –
Conclusion I: All Q is R – From the above Venn diagram, the circle that represents R lies inside the circle that represents Q. So, from this, it can be
Question : Which of the following is a characteristic of sedimentary rocks?
Option 1: Lineation
Option 2: Bands
Option 3: Foliation
Option 4: Lithification
Correct Answer: Lithification
Solution : The correct option is Lithification.
Lithification is a main characteristic of sedimentary rocks. It refers to the process by which loose sediment particles, such as sand, mud, or organic material, become compacted, and cemented together over time, forming solid rock.
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