Staff Selection Commission Combined Graduate Level Exam
Question : Directions: Select the option that represents the letters that, when placed from left to right in the given blanks, will complete the letter series. NOP_QNO_IQN_PHQ_OPG_
Option 1: PJNOQ
Option 2: JPONQ
Option 3: PJONO
Option 4: JPQNO
Correct Answer: JPONQ
Solution : Given: NOP_QNO_IQN_PHQ_OPG_
To fill the series we have to divide the series – NOP_Q / NO_IQ / N_PHQ / _OPG_ Let's check each option – First option: PJNOQ; NOPPQ / NOJIQ / NNPHQ / OOPGQ (No repeated
Question : Directions: Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.) Ant : Antling :: Deer : ?
Option 1: Pup
Option 2: Fawn
Option 3: Cub
Option 4: Foal
Correct Answer: Fawn
Solution : Given: Ant : Antling :: Deer : ?
Like, Antling is the miniature ant or baby ant. Similarly, the young Deer is a Fawn.
Hence, the second option is correct.
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. The air has become very dirty in (1)______ parts of the world. This is of course (2)______ to your health. Experts say many people die (3)______ it each year. There is a new study on (4)______ pollution which comes from the experts of the World Health Organization (WHO) (5)______ is an agency of the United Nations. If you (6)______ unhealthy air for a long period of time, you could (7)______ sick. Air pollution has been linked to many diseases (8)______stroke and cancer. The WHO says that seven million (9)______ die each year as a result of the (10)______ air. Question: Select the most appropriate option to fill in the blank no. 9.
Option 1: human
Option 2: individual
Option 3: people
Option 4: person
Correct Answer: people
Solution : The right choice is the third option.
Explanation: The use of people in the sentence is appropriate because it refers to a collective number of individuals, specifically seven million, as mentioned by the World Health Organization. It conveys the scale of the statistics
Question : A shopkeeper purchased a chair marked at Rs. 600 at two successive discounts of 15% and 20% respectively. He spent Rs. 28 on transportation and sold the chair for Rs. 545. His gain percentage was:
Option 1: 25%
Option 2: 30%
Option 3: 35%
Option 4: 20%
Correct Answer: 25%
Solution : (Single equivalent discount = $(a+b-\frac{a\:×\:b}{100}$)%, where $a$% and $b$% are successive discounts.) Single equivalent discount = $(15+20-\frac{15\:×\:20}{100}$)= 32% After two successive discount cost price = 600 $\times$ 68% = 408 Total cost = 408 + 28 = 436 Selling price = 545 Gain percent =
Question : Find the total surface area of a cube whose volume is 343 m³.
Option 1: 186 m²
Option 2: 294 m²
Option 3: 196 m²
Option 4: 210 m²
Correct Answer: 294 m²
Solution : Given: Volume of a cube = 343 m³ Let $a$ be the side of the cube. So, $a^3$ = 343 m³ ⇒ $a$ = $\sqrt[3]{343}$ = 7 m Now, the total surface area of a cube = $6a^2$ = $6×7^2$ = 294 m2
Question : The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at a speed of 12 km/hr completes one round in 8 minutes, then the area of the park is:
Option 1: 1,53,650 sq. metres
Option 2: 1,35,600 sq. metres
Option 3: 1,53,600 sq. metres
Option 4: 1,56,300 sq. metres
Correct Answer: 1,53,600 sq. metres
Solution : Given: The ratio between the length and the breadth of a rectangular park is 3 : 2. Let length be $3x$, breadth be $2x$. A man cycling along the boundary of the park at a speed of 12 km/hr completes one round in
Question : Which article of the Constitution of India deals with the recognition of the right to education as a fundamental right?
Option 1: Article 300A
Option 2: Article 20
Option 3: Article 33
Option 4: Article 21A
Correct Answer: Article 21A
Solution : The correct answer is Article 21A.
The right to education in India is recognised as a fundamental right under Article 21A of the Indian Constitution. This article was inserted by the 86th Amendment Act of 2002 and states that the state shall provide
Question : Study the given pie charts and answer the question that follows. Which institute has the second highest percentage of students who passed to the students who appeared from that institute?
Option 1: C
Option 2: E
Option 3: D
Option 4: B
Correct Answer: D
Solution : Number of students who appeared in the examination from institutes B = 54^\circ = $\frac{54^\circ}{360^\circ} × 1200$ = 180 Number of students who appeared in the examination from institutes C = 90^\circ = $\frac{90^\circ}{360^\circ} × 1200$ = 300 Number of students who appeared in the
Question : The value of $\sqrt{\frac{1+\cos \theta}{1-\cos \theta}}$ is:
Option 1: $\sec\theta+\tan \theta$
Option 2: $\operatorname{cosec} \theta-\cot \theta$
Option 3: $\operatorname{cosec} \theta+\cot \theta$
Option 4: $\sec\theta-\tan \theta$
Correct Answer: $\operatorname{cosec} \theta+\cot \theta$
Solution : Given: $\sqrt{\frac{1+\cos \theta}{1-\cos \theta}}$ = $\sqrt{\frac{(1+\cos \theta)(1+\cos \theta)}{(1-\cos \theta)(1+\cos \theta)}}$ = $\sqrt{\frac{(1+\cos \theta)^2}{1-\cos^2\theta}}$ = $\sqrt{\frac{(1+\cos \theta)^2}{\sin^2\theta}}$ = $\frac{(1+\cos \theta)}{\sin\theta}$ = $\operatorname{cosec} \theta+\cot \theta$ Hence, the correct answer is $\operatorname{cosec}\theta+\cot\theta$.
Question : Comprehension:
Read the passage and answer the questions that follow.
The drainage systems of India are mainly controlled by the broad relief features of the subcontinent. Accordingly, the Indian rivers are divided into two major groups: the Himalayan rivers; and the Peninsular rivers.
Apart from originating from the two major physiographic regions of India, the Himalayan and the Peninsular rivers are different from each other in many ways. Most of the Himalayan rivers are perennial. It means that they have water throughout the year. These rivers receive water from rain as well as from melted snow from the lofty mountains. The major Himalayan rivers are the Indus, the Ganga, and the Brahmaputra. These rivers are long and are joined by many large and important tributaries. A river along with its tributaries may be called a river system. The two major Himalayan rivers, the Indus and the Brahmaputra originate from the north of the mountain ranges. They cut through the mountains making gorges in the upper course. The perennial Himalayan rivers have long courses from their source to the sea. They perform intensive erosional activity in their upper courses and carry huge loads of silt and sand with their swift current. In the middle and the lower courses, these rivers form meanders, oxbow lakes, levees, and many other depositional features in their floodplains as their speed slackens. They also have well-developed deltas.
A large number of the Peninsular rivers like the Godavari, Kaveri, and Krishna are seasonal, as their flow is dependent on rainfall. During the dry season when it doesn’t rain, even the large rivers have reduced flow of water in their channels. The Peninsular rivers have shorter and shallower courses as compared to their Himalayan counterparts. However, some of them originate in the central highlands and flow towards the west. Most of the rivers of peninsular India originate in the Western Ghats and flow towards the Bay of Bengal.
Question:
A river along with its tributaries may be called a:
Option 1: highland
Option 2: river system
Option 3: peninsula
Option 4: flood plain
Correct Answer: river system
Solution : The correct choice is the second option.
Explanation: In the passage, it is mentioned that "a river along with its tributaries may be called a river system." This term is used to describe the combination of a main river and all its tributaries. The
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