Staff Selection Commission Combined Graduate Level Exam
Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following symbols. If + means ×, – means ÷, × means – and ÷ means +, then what will be the value of 16 ÷ 4 × 10 – 5 + 8 = ?
Option 1: 12
Option 2: 8
Option 3: 4
Option 4: 2
Correct Answer: 4
Solution : Given: + means ×, – means ÷, × means – and ÷ means +. 16 ÷ 4 × 10 – 5 + 8 = ?
After interchanging the symbols according to the question, the equation becomes – = 16 + 4 – 10 ÷ 5
Question : If $\frac {x^2+3x+1}{x^2–3x+1}=\frac{1}{2 }$, then the value of $(x+\frac{1}{x})$ is:
Option 1: 9
Option 2: –9
Option 3: 1
Correct Answer: –9
Solution : Given: $\frac {x^2+3x+1}{x^2–3x+1}=\frac{1}{2}$ Dividing both the numerator and the denominator by $x$ on the left-hand side, we get, $\frac{(x+3+\frac{1}{x})}{(x–3+\frac{1}{x})}=\frac{1}{2}$ ⇒ $\frac{(x+\frac{1}{x})+3}{(x+\frac{1}{x})–3}=\frac{1}{2}$ ⇒ $2(x+\frac{1}{x})+6={(x+\frac{1}{x})-3}$ ⇒ $(x+\frac{1}{x})=-3-6$ ⇒ $(x+\frac{1}{x})=-9$ Hence, the correct answer is –9.
Question : Directions: If P denotes multiplied by, R denotes subtracted from, S denotes added to and Q denotes divided by, then which of the following equations is true?
Option 1: 18 R 60 Q 15 S 2 = 8
Option 2: 15 S 16 Q 2 P 4 = 47
Option 3: 3 P 5 R 18 Q 3 = 6
Option 4: 15 S 28 Q 4 P 2 = 27
Correct Answer: 15 S 16 Q 2 P 4 = 47
Solution : Given: P means multiplied by, R means subtracted from, S means added to, Q means divided by.
Let's check the options – First option: 18 R 60 Q 15 S 2 = 8 ⇒ 18 – 60
Question : Select the most appropriate active form of the given sentence.
Not much damage to the life and property was caused by the cyclone in July this year at the Andhra coast.
Option 1: The Andhra coast did not cause much damage to the life and property in July this year at the cyclone.
Option 2: The cyclone could not cause much damage to the life and property in July this year at the Andhra coast.
Option 3: The cyclone did not cause much damage to the life and property in July this year at the Andhra coast.
Option 4: The cyclone has not caused much damage to the life and property in July this year at the Andhra coast.
Correct Answer: The cyclone did not cause much damage to the life and property in July this year at the Andhra coast.
Solution : The correct choice is the third option.
Active voice is a grammatical term used to describe a sentence or clause in which the subject performs the
Question :
If the radius of blood vessels of a person decreases his/her blood pressure will
Option 1:
Increase
Option 2:
Decrease
Option 3:
Remain unaffected
Option 4: Increase for males and decrease for females
Correct Answer:
Solution : The correct option is increase.
If the radius (diameter) of blood vessels diminishes, blood pressure will normally increase. The space through which blood may flow grows narrower as the radius of blood vessels decreases. As a result, blood flow resistance increases, and the heart must
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the options given. Select the most appropriate option for each number. A new swarm of locusts entered Rajasthan’s Jaisalmer on Sunday. This is the fifth swarm to (1)______ the state in four days from (2)______ western border with Pakistan. Since the first locust swarm (3)______ the state’s Sri Ganganagar district on April 11, as many as 25 swarms (4)______ entered Rajasthan. Some swarms moved to Chhattisgarh and Madhya Pradesh, (5)______ which agricultural departments issued advisories to farmers asking them to be on high alert. Question: Select the most appropriate option to fill in the blank no. 3.
Option 1: invaded
Option 2: invade
Option 3: was invading
Option 4: is invading
Correct Answer: invaded
Solution : The correct choice is the first option.
The sentence describes a past event (the invasion of the locust swarm) that happened on a specific date (April 11). The correct verb form to indicate a completed action in the past is the simple past tense.
Question : 40% are the passing marks. A student gets 250 marks yet fails by 38 marks. What is the maximum marks?
Option 1: 720
Option 2: 750
Option 3: 800
Option 4: 840
Correct Answer: 720
Solution : Given: 40% are the passing marks. A student gets 250 marks yet fails by 38 marks. Let the maximum marks be 100. Then, the passing marks is $100×\frac{40}{100}=40$ Also, a student gets 250 marks yet fails by 38 marks. So, the passing marks is (250
Question : What is the value of the Least Distance of Distinct vision (in cm) for a normal human being?
Option 1: 2.5
Option 2: 25
Option 3: 58
Option 4: 60
Correct Answer: 25
Solution : The correct option is 25
The shortest distance at which a person with normal vision can distinguish objects is considered to be about 25 cm. This indicates that a person's eyes are around 25 cm from the nearest point at which they can focus clearly
Question : Census of population in India is done after every
Option 1: 10 years
Option 2: 05 years
Option 3: 07 years
Option 4: 02 years
Correct Answer: 10 years
Solution : The correct answer is 10 years.
First Decennial census of India was conducted in 1881 under the Viceroy Lord Mayo and Governor Lord Ripon. Since then census is conducted every 10 years. Since 1949 the responsibility of conducting census lies with Office of Registrar
Question : Directions: F is C's son. C is the only daughter of B. D is A's only son-in-law. B is C's father. A is B's wife. How is D related to F?
Option 1: Brother-in-law
Option 2: Father
Option 3: Father-in-law
Option 4: Brother
Correct Answer: Father
Solution : As per the given information, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure.
So, D is the father of F. Hence, the second option is correct.
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