Staff Selection Commission Combined Graduate Level Exam
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".
Give your answers (1) / in your own words (2) / as far as practical. (3)/ No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The error lies in the third part of the sentence.
The word practical should be replaced with possible, which is an adjective that means able to be done or achieved.
Therefore, the correct sentence is: "Give your answers in your own words as far as
Question : The distance between the centres of two circles is 61 cm and their radii are 35 cm and 24 cm. What is the length (in cm) of the direct common tangent to the circles?
Option 1: 60
Option 2: 54
Option 3: 48
Option 4: 72
Correct Answer: 60
Solution : The length of the direct common tangent between two circles, $=\sqrt{d^2 - (r_1 - r_2)^2}$, where $r_1,r_2$ are the radii of the circles and $d$ is the distance between their centres. Given that $d$ = 61 cm, $r_1$ = 35 cm, and $r_2$ = 24
Question : Two regular polygons are such that the ratio between their number of sides is 1 : 2 and the ratio of measures of their interior angles is 3 : 4. Then the number of sides of each polygon is:
Option 1: 10 and 20
Option 2: 4 and 8
Option 3: 3 and 6
Option 4: 5 and 10
Correct Answer: 5 and 10
Solution : Given that the sides of the two regular polygons are in the ratio 1 : 2. The interior angles of these polygons are in the ratio 3 : 4 Let the number of sides of the polygons be $n$ and $2n$ respectively. The
Question : Which order of the courts means “arrested person should be presented before the court?”
Option 1: Habeas corpus
Option 2: Mandamus
Option 3: Certiorari
Option 4: Quo warranto
Correct Answer: Habeas corpus
Solution : The correct option is Habeas corpus.
"Habeas corpus" is a legal principle that protects an individual's right to be free from unlawful detention or imprisonment. It allows a person to challenge the legality of their detention in court.
Question : The nature of fuse wire is
Option 1: high resistance and low melting point.
Option 2: high resistance and high melting point.
Option 3: low resistance and high melting point.
Option 4: low resistance and low melting point.
Correct Answer: high resistance and low melting point.
Solution : The Correct Answer is- high resistance and low melting point.
It is an electrical safety device created to guard against overcurrent damage to an electrical circuit. Since there is a lot of current flowing through the fuse wire, the resistance
Question : Linseed is obtined from
Option 1: Castor
Option 2: Flax
Option 3: Groundnut
Option 4: Sesame
Correct Answer: Flax
Solution : The correct answer is flax.
Linseed is used for extracting oil and it has variety of uses like edible vegetable oil and industrial uses like production of paints, polishes, varnishes and in wood finishing etc. Linseed oil has therapeutic properties also and is used for
Question : Two line charts are given below. Line chart 1 shows the ratio of the number of males to the number of females in two companies A and B for the 5 years. Line chart 2 shows the total number of males (both companies A and B) and total number of females (both companies A and B) for the 5 years. What is the ratio of the number of males in company B in Y1 to the total number of females in company A in Y3 and Y5?
Option 1: 117 : 218
Option 2: 117 : 215
Option 3: 129 : 215
Option 4: 119 : 218
Correct Answer: 117 : 215
Solution : Let the number of males and females in Y1 in company A be $11k$ and $10k$ respectively. In Y1, the number of males and females is $9a$ and $10a$ in company B. $11k+9a=21100$ (equation 1) $10k+10a=20600$ (equation 2) Solving the above equations, we
Question : In which five-year plan was the Mahalanobis Model started?
Option 1: Second
Option 2: Fourth
Option 3: Third
Option 4: First
Correct Answer: Second
Solution : The correct answer is Second.
The Mahalanobis Model, also known as the Second Five-Year Plan of India, was initiated during the Second Five-Year Plan (1956–1961). This model was developed by the Indian economist Prasanta Chandra Mahalanobis and aimed at promoting industrialization and economic growth
Question : The value of $\frac{a}{a-b}+\frac{b}{b-a}$ is:
Option 1: $\frac{(a+b)}{(a-b)}$
Option 2: $-1$
Option 3: $2ab$
Option 4: $1$
Correct Answer: $1$
Solution : Given: $\frac{a}{a-b}+\frac{b}{b-a}$ = $\frac{a}{a-b}-\frac{b}{a-b}$ = $\frac{a-b}{a-b}$ = $1$ Hence, the correct answer is $1$.
Question : The difference between a discount of 35% on INR 3,600 and two successive discounts of 30% and 5% on the same amount is:
Option 1: 54
Option 2: 78
Option 3: 82
Option 4: 52
Correct Answer: 54
Solution : We know that Selling price = $\frac{100- \text{Discount}\%}{100}×$ cost price So, the amount after a discount of 35% on INR 3,600 = $\frac{(100-35)}{100}×3,600$ = 2340 Amount after two successive discounts of 30% and 5% on INR 3,600 = $\frac{(100-30)}{100}$×$\frac{(100-5)}{100}$×3600 = 2394 $\therefore$ Difference = 2394
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