Staff Selection Commission Sub Inspector Exam
Question : In which of the following processes nutrients or contaminants are carried away by water or moved into the lower layer of the soil?
Option 1: Ploughing
Option 2: Leaching
Option 3: Sowing
Option 4: Bleaching
Correct Answer: Leaching
Solution : The correct option is Leaching.
Leaching occurs when water moves through the soil, carrying away nutrients or contaminants and either depositing them in the lower layers of the soil or transporting them to other locations. This process is important in various environmental contexts, including
Question : The table below shows the production of jute fabric (in lakh metres) by two Companies P and Q from 2001 to 2005.
In which year/years, did Company Q produce more fabric than Company P?
Option 1: 2002
Option 2: 2005
Option 3: 2003, 2005
Option 4: 2002, 2005
Correct Answer: 2002, 2005
Solution : From the given table, Production of fabric in 2002 and 2005 is more for company Q as compared to company P. Production in 2002: For company P = 120 and for Company Q = 130 Production in 2005: For company P = 240 and
Question : Directions: In the following question a series is given, with one number missing. Select the missing number from the given series. 1, 1, 3, 4, 5, 9, 7, 16, 9, 25, 11, ?
Option 1: 17
Option 2: 36
Option 3: 49
Option 4: 37
Correct Answer: 36
Solution : Given: 1, 1, 3, 4, 5, 9, 7, 16, 9, 25, 11, ?
Odd position terms→Add 2 to the odd positioned number, to get the next term of the series. 1 + 2 = 3; 3 + 2 = 5; 5 + 2 = 7;
Question : If $\sin A=\frac{1}{2}$, then the value of $(\tan A+\cos A)$ is:
Option 1: $\frac{2}{3 \sqrt{3}}$
Option 2: $\frac{3}{2 \sqrt{3}}$
Option 3: $\frac{5}{2 \sqrt{3}}$
Option 4: $\frac{5}{3 \sqrt{3}}$
Correct Answer: $\frac{5}{2 \sqrt{3}}$
Solution : Given: $\sin A=\frac{1}{2}$ ⇒ $\sin A=\sin 30^\circ$ ⇒ $ A= 30^\circ$ $\therefore (\tan A+\cos A)$ = $(\tan 30^\circ+\cos 30^\circ)$ = $\frac{1}{\sqrt3}+\frac{\sqrt3}{2}$ = $\frac{2+3}{2\sqrt3}$ = $\frac{5}{2\sqrt3}$ Hence, the correct answer is $\frac{5}{2\sqrt3}$.
Question : Select the option that can be used as a one-word substitute for the given group of words. Centre of public attention
Option 1: Ambiguity
Option 2: Obscurity
Option 3: Fuzziness
Option 4: Limelight
Correct Answer: Limelight
Solution : The correct choice is the fourth option.
Explanation: The term "limelight" is commonly used as a metaphor for being the centre of public attention or scrutiny. Historically, limelight was a bright light source used in theatres to illuminate performers on stage, making them the focal
Question : Directions: In the given question, a sentence is given with a blank to be filled in with the appropriate words. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
After saying that Beverly made too many mistakes, Bob added insult to injury by saying _________.
Option 1: they were small mistakes
Option 2: she worked very slowly
Option 3: her work was excellent
Option 4: work at a remarkable pace
Correct Answer: she worked very slowly
Solution : The correct choice is the second option.
Explanation:
By saying that Beverly made too many mistakes and then adding that she worked very slowly, Bob is indeed making the situation worse for Beverly, as it implies that not only did she
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.
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