Staff Selection Commission Sub Inspector Exam
Question : Directions: In the given figure, which letter represents the electronic mixer which is white?
Option 1: f
Option 2: g
Option 3: e
Option 4: b
Correct Answer: g
Solution : According to the question, need to find the common region of electronic, mixer, and white and in the below diagram, the shaded part in the diagram represents the electronic mixers that are white.
Therefore, the letter that represents electronic mixers that are white is g.
Question : Select the most appropriate synonym of the given word. ADEQUATE
Option 1: sufficient
Option 2: unfit
Option 3: inept
Option 4: meagre
Correct Answer: sufficient
Solution : The first option is the correct choice.
The word adequate refers to being satisfactory or having enough of something to meet a particular requirement. On the other hand, the term sufficient also denotes having enough of something to meet a need or requirement.
The meanings
Question : The Vijayanagara kingdom was established by ________ in 1336.
Option 1: Venkata II
Option 2: Deva Raya II
Option 3: Krishnadevaraya
Option 4: Harihara and Bukka
Correct Answer: Harihara and Bukka
Solution : The correct answer is Harihara and Bukka.
After the rebellions against the Tughlaq control, Harihar I and his brother Bukka Raya I established the Vijayanagara Empire in the Deccan region of India in 1336. The empire was ruled by four dynasties: Sangama,
Question : Directions: The given pie chart shows the cars sold by a company in 2015-2016 of different models.
If the number of cars sold of model D is 40,500. What is the ratio between the number of cars sold of models D and E?
Option 1: 9 : 5
Option 2: 6 : 5
Option 3: 11 : 9
Option 4: 9 : 7
Correct Answer: 6 : 5
Solution : The ratio between the number of cars sold of models D and E = $90^{\circ}$ : $75^{\circ}$ = 6 : 5 Hence, the correct answer is 6 : 5.
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.
A broad definition of wetlands (1)_______ ecosystems such as lakes and rivers, underground aquifers, swamps, coral reefs, and many others; but also human-made artificial sites (2)_______ fishponds or reservoirs. Though they cover only around 6 per cent of the Earth’s land surface, 40 per cent of all plant and animal species live in or breed in them. Wetlands are also vital for human well-being and security. More than a billion people across the world depend on them for their livelihoods—about one in eight people on Earth. According to the UN Environment Programme (UNEP), these ecosystems are also the unsung heroes of the climate crisis. In fact, they (3)_______ more carbon than any other ecosystem, with peatlands alone storing twice (4)_______ all the world’s forests. Inland wetland ecosystems absorb excess water and help prevent floods and droughts, something critical to help communities adapt to a changing climate. In the words of Leticia Carvalho, Principal Coordinator for Marine and Freshwater at UNEP, healthy wetlands ‘punch above their weight in terms of benefits’. The theme for the very first World Day is “Wetlands Action for People and Nature”. It serves as an urgent call to act and to invest financial, human, and political capital to save the world’s wetlands from disappearing altogether and to restore those areas already lost. Wetlands are disappearing three times (5)_______ forests and are Earth’s most threatened ecosystem. In just 50 years—since 1970—35 per cent of the world’s wetlands have evaporated.
Question:
Select the most appropriate option to fill in the blank number 1.
Option 1: leave out
Option 2: omit
Option 3: excludes
Option 4: includes
Correct Answer: includes
Solution : The correct choice is the fourth option.
The word includes is used to indicate that the broad definition of wetlands encompasses various ecosystems, including lakes, rivers, underground aquifers, swamps, coral reefs, and others. It implies that wetlands are not limited to a specific type but
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option for each blank. The Amazon rainforest is an awe-inspiring natural wonder that (1)_________ across several South American countries, including Brazil, Peru, Colombia, and Ecuador. Covering an (2)_____ area of 5.5 million square kilometres, it is the largest tropical rainforest on Earth. The Amazon jungle is (3)_______ for its remarkable biodiversity, harbouring an astonishing array of plant and animal species that are still being discovered and studied. The dense vegetation of the jungle creates a (4)________ and complex ecosystem, supporting countless species and providing crucial ecosystem services such as carbon sequestration and climate regulation. It is also home to (5)_______ communities that have thrived within its rich confines for centuries, preserving their traditions and deep connection to the land. Question: Select the most appropriate option to fill in the blank number 4.
Option 1: vigour
Option 2: spirited
Option 3: vibrant
Option 4: lavish
Correct Answer: vibrant
Solution : The third option is the correct choice.
The word vibrant is suitable in this context as it conveys a sense of liveliness, energy, and richness in the ecosystem. It suggests that the jungle's ecosystem is not only complex but also full of life and vitality.
Question : The value of (1 + cot A – cosec A)(1 + tan A + sec A) – 1 is:
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 0
Correct Answer: 1
Solution : $(1+ \cot A – \operatorname{cosec} A)(1 + \tan A + \sec A) – 1$ $=(1+\frac{\cos A}{\sin A}-\frac{1}{\sin A})(1+\frac{\sin A}{\cos A}+\frac{1}{\cos A})-1$ $=(\frac{\sin A+\cos A-1}{\sin A})(\frac{\cos A+\sin A+1}{\cos A})-1$ $=\frac{(\sin A+\cos A)^2-1^2}{\sin A \cos A}-1$ $=\frac{\sin ^2 A +\cos^2 A+2\sin A \cos A-1}{\sin A \cos A}-1$
Question : Select the most appropriate meaning of the given idiom.
At the drop of a dime.
Option 1: A way of saying that you are happy to see someone.
Option 2: Something that is not popular.
Option 3: Something that can happen very fast without hesitation.
Option 4: Extremely easy to understand.
Correct Answer: Something that can happen very fast without hesitation.
Solution : The correct choice is the third option.
Explanation:
The idiom at the drop of a dime is used to convey the idea that something can happen instantly or with very little notice. It emphasises quick and immediate
Question : Select the most appropriate ANTONYM of the word ‘discordant’ in the given sentence and choose the correct option. The sweet melodious symphony of the piano filled the room, transporting the listeners to a world of beauty and emotion.
Option 1: Filled
Option 2: Melodious
Option 3: Transporting
Option 4: Emotion
Correct Answer: Melodious
Solution : The correct choice is the second option.
The antonym of discordant is melodious. In the context of music, "discordant" refers to harsh or unpleasant sounds, while "melodious" describes pleasant and harmonious sounds. The meanings of the other options are as follows:
Question : If A is $\frac{1}{6}$th of C, and B is twice of A, and the average of A, B, and C is 30, then the difference between A and C is:
Option 1: 40
Option 2: 60
Option 3: 50
Option 4: 80
Correct Answer: 50
Solution : According to the question, $A = \frac{1}{6}C$ $B = 2A=\frac{C}{3}$ Average of $n$ observations $=\frac{\text{Sum of all observations}}{n}$ Average $=\frac{A+B+C}{3} = \frac{\frac{C}{6} +\frac{C}{3} +C}{3}$ $⇒ 30 = \frac{\frac{9C}{6}}{3}$ $⇒ 30 = \frac{C}{2}$ $\therefore C = 60$ Also, ⇒ $A = \frac{1}{6}C = \frac{1}{6}× 60 =
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