Staff Selection Commission Sub Inspector Exam
Question : By the 42nd Amendment in 1976, as introduced by the ______, the chapter on the fundamental duties of citizens was incorporated into the Constitution.
Option 1: Shah Nawaz Committee
Option 2: Sachar Committee
Option 3: Swaran Singh Committee
Option 4: Balwant Rai Mehta Committee
Correct Answer: Swaran Singh Committee
Solution : The correct answer is the Swaran Singh Committee.
The Russian Constitution served as the model for the concept of fundamental duties. On the advice of the Swaran Singh Committee, they were added to Part IV-A of the Constitution by the 42nd Constitutional
Question : In the given figure, AB = 8 cm; AC = 17 cm. What is the length of AD?
Option 1: 4.68 cm
Option 2: 5.36 cm
Option 3: 3.76 cm
Option 4: 8.5 cm
Correct Answer: 3.76 cm
Solution : Given: A right-angled triangle ABC with AB = 8 cm and AC = 17 cm Applying the Pythagoras theorem to the given $\triangle$ABC ⇒ We get, AC2 = AB2 + BC2 ⇒ 172 = 82 + BC2 ⇒
Question : If $(2x - 5y)^3 - (2x+5y)^3 = y[Ax^2 + By^2]$, then what is the value of $(2A - B)$?
Option 1: 25
Option 2: 10
Option 3: 15
Option 4: 40
Correct Answer: 10
Solution : According to the question, $(2x - 5y)^3 - (2x+5y)^3 = y[Ax^2 + By^2]$ ⇒ $[2x - 5y - 2x - 5y][4x^{2} + 25y^{2} + 20 xy + 4x^{2} - 25y^{2}] = y[Ax^{2} + By^{2}]$ ⇒ $[-10y] [ 12x^{2} + 25y^{2}] = y[Ax^{2} + By^{2}]$ ⇒
Question : If $\frac{x}{y}+\frac{y}{x}=1$ and $x+y=2$, then the value of $x^3+y^3$ is:
Option 1: 1
Option 2: 3
Option 3: 0
Option 4: 2
Correct Answer: 0
Solution : $\frac{x}{y}+\frac{y}{x}=1$ and $x+y=2$ $⇒\frac{x^2+y^2}{xy}=1$ $⇒{x^2+y^2}=xy$ ___(i) $x^3+y^3=(x+y)(x^2+y^2-xy)$ From (i), $⇒x^3+y^3=0$ Hence, the correct answer is 0.
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2 and 3 that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
Even though she was disliked by her in-laws at the beginning of her marriage, she did manage to win their hearts.
(1) win over their
(2) win over there
(3) win them over their
(4) No Improvement
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 4
Solution : The correct answer is the fourth option.
"Win their hearts" implies that she made efforts to establish a positive and loving relationship with her in-laws, and she succeeded in doing so.
Therefore, the given sentence requires no improvement.
Question : Which is the most suitable unit for expressing nuclear radius?
Option 1: Micron
Option 2: Nanometre
Option 3: Fermi
Option 4: Angstrom
Correct Answer: Fermi
Solution : The correct answer is Fermi.
The nuclear length is quantified using the unit called the "fermi" (fm), where 1 fermi is equivalent to 10-15 meters. This unit, originally named after the Italian physicist Enrico Fermi, has been replaced by the SI term "femtometer" (symbol:
Question :
The colour of the eye depends upon the pigment present in:
Option 1:
cornea
Option 2:
iris
Option 3:
rods
Option 4: cones
Correct Answer:
Solution : The correct option is the iris.
The colour of the eye depends on the amount and type of pigments present in the iris, which is the coloured part of the eye. The iris is the coloured part of the eye that surrounds the pupil.
Question : The marked price of a chair was INR 1,000 but it was sold for INR 1,200. What is the percentage increase on the product?
Option 1: 10%
Option 2: 15%
Option 3: 35%
Option 4: 20%
Correct Answer: 20%
Solution : The marked price of the chair = INR 1,000 The selling price of the chair = INR 1,200 Difference = 1200 – 1000 = 200 $\therefore$ Percentage increase = $\frac{\text{Difference}}{\text{Marked Price}}\times100=\frac{200}{1000}\times100=20\%$ Hence, the correct answer is 20%.
Question : Identify the segment in the sentence which contains the grammatical error. If there is no error, select 'No error'. Anita enjoyed to swim in the sea.
Option 1: Anita enjoyed
Option 2: in the sea
Option 3: No error
Option 4: to swim
Correct Answer: to swim
Solution : The fourth option is the correct choice.
The grammatical error in the sentence is in the segment "enjoyed to swim". The correct form should be "Anita enjoyed swimming in the sea." The verb "enjoy" is followed by the gerund form of the verb, which
Question : The headquarters of the Ghadar Party was at:
Option 1: Karachi
Option 2: Moscow
Option 3: Berlin
Option 4: San Francisco
Correct Answer: San Francisco
Solution : The correct option is San Francisco.
The headquarters of the Ghadar Party was located in San Francisco, California, U. S. A. The Ghadar Party was primarily formed by Indian immigrants in the United States and Canada to achieve India's independence from British colonial
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