Staff Selection Commission Combined Graduate Level Exam
Question : In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Our beautiful ecosystem is being systematically (1)____ by industrial pollution channelled into rivers like the Ganga and the Yamuna, nuclear wastes from atomic plants muted into the world’s oceans, and (2)____ gases such as carbon dioxide mixed with the ozonosphere. Besides, tropical rainforests and green pastures are disappearing (3)_____ the pressure of a proliferating population. Dams are being (4)_____ over the rivers like the Narmada to change nature’s well-balanced surface equations between flora and fauna, and sloping mountainous terrain is being converted into mini oceans to supply electricity to the ever-starving industrial stomach of our age. Elephants, tigers, the wild rhinos of South Africa and many other forest creatures have become (5)_____ species.
Question
Select the most appropriate option to fill in the blank number 1.
Option 1: damaged
Option 2: oriented
Option 3: glorified
Option 4: designed
Correct Answer: damaged
Solution : The first option is correct.
Explanation: In this context, the word that best fits the grammatical structure and conveys the negative impact of industrial pollution on the ecosystem is damaged. The sentence describes the harmful effects of industrial pollution on rivers like the Ganga
Question : A bus travels 720 kilometres in 20 hours. Calculate its average speed in meters per second.
Option 1: 12 m/s
Option 2: 15 m/s
Option 3: 18 m/s
Option 4: 10 m/s
Correct Answer: 10 m/s
Solution : Given: A bus travels 720 kilometres in 20 hours. Applying the formula of $\text{Speed}=\frac{\text{Distance}}{\text{Time}}$, we get, $\text{Speed}=\frac{720}{20}=36$ km/hr Converting km/hr into m/s by multiplying it with $\frac{5}{18}$, we get, $\text{Speed}=36\times\frac{5}{18}=10$ m/s Hence, the correct answer is 10 m/s.
Question : Select the most appropriate synonym of the given word.
Genial
Option 1: Optimistic
Option 2: Cheerful
Option 3: Despondent
Option 4: Positive
Correct Answer: Cheerful
Solution : The correct choice is the second option.
Genial refers to having a friendly and pleasant disposition, often accompanied by warmth and amiability, and cheerful means being in a good mood, happy, and optimistic, which aligns closely with the meaning of genial.
The meanings of the
Question : Directions: Select the set in which the numbers are related in the same way as the numbers of the given set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g.13 – operations on 13 such as adding/subtracting/multiplying, etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (13, 17, 23) (8, 12, 18)
Option 1: (17, 21, 15)
Option 2: (18, 22, 28)
Option 3: (11, 15, 23)
Option 4: (5, 9, 16)
Correct Answer: (18, 22, 28)
Solution : Given: (13, 17, 23); (8, 12, 18)
In the given set of numbers, add the first and the second numbers to the square of their difference and then divide the resultant by 2 to get the third number. (13, 17, 23)→17 – 13
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
A raptor's day begins soon after dawn. They (1). _________their wings for a quick warm-up and are ready for the hunt. Nature (2). __________these birds so well that they do not need to hunt every day. By (3) ___________a good kill on a particular day, the larger raptor can go without hunting (4) ________two or three weeks. These predators can do without regular meals. This helps them to (5)____________if there is bad weather or lack of food.
Question: Select the most appropriate option to fill in the blank number 3.
Option 1: taking
Option 2: having
Option 3: making
Option 4: doing
Correct Answer: making
Solution : The third option is the correct choice.
The term making in this context suggests that the raptor achieves or secures a good kill on a particular day. This action of making a successful kill allows the larger raptor to sustain itself without the need to
Question : Direction: In the following question a series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
12, 8, 4, 8, 4, 12, 4, 12, 8, 100, 44, ?
Option 1: 80
Option 2: 56
Option 3: 48
Option 4: 36
Correct Answer: 56
Solution : Given: 12, 8, 4, 8, 4, 12, 4, 12, 8, 100, 44, ?
Subtract the first two numbers to get the third number and add the fourth and fifth numbers to get the sixth number follow the pattern alternately. 12 – 8 = 4; 8
Question : If 7 times the 7th term of an arithmetic progression (A.P.) is equal to 11 times its 11th term, then the 18th term of the A.P. will be:
Option 1: 1
Option 2: 0
Option 3: 2
Option 4: –1
Correct Answer: 0
Solution : Given: 7 times the 7th term of AP = 11 times its 11th term Formula for nth term $⇒a+(n-1)d$ where $a$ = 1st term, $d$ = common difference and $n$ = number of terms ⇒ $7 × a_7 = 11 ×
Question : Directions: After arranging the given words according to dictionary order, which word will come in the third position? 1. Series 2. Serious 3. Serein 4. Serial 5. Serried
Option 1: Series
Option 2: Serein
Option 3: Serial
Option 4: Serious
Correct Answer: Series
Solution : Given: 1. Series 2. Serious 3. Serein 4. Serial 5. Serried
Step 1: Since the first three letters of all the words are the same, we move on to the next letter. Step 2: Compare the fourth letter of (Series, Serious,
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. 10.
Option 1: polluted
Option 2: grimy
Option 3: grubby
Option 4: muddy
Correct Answer: polluted
Solution : The right choice is the first option.
In this context, polluted is the appropriate choice because it specifically refers to contamination or impurity, which fits the context of air quality. The other words muddy, grimy, and grubby typically describe physical dirtiness and
Question : Select the most appropriate meaning of the given idiom.
Through thick and thin
Option 1: Only assist during good times
Option 2: Hope during trying times
Option 3: In good times and in bad times
Option 4: Weak and lonely
Correct Answer: In good times and in bad times
Solution : The correct choice is the third option.
This idiom is used to express unwavering support or loyalty in various circumstances, both favourable and challenging. It signifies being there for someone or something regardless of the difficulties or hardships, emphasising
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