Staff Selection Commission Combined Graduate Level Exam
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select "No substitution". Greenhouse gases trapped beside Earth's atmosphere cause global warming.
Option 1: trapped inside
Option 2: No substitution
Option 3: trapped outside
Option 4: trapped beyond
Correct Answer: trapped inside
Solution : The correct answer is the first option.
The phrase "trapped beside Earth's atmosphere" does not convey the intended meaning. So, the corrected sentence conveys that greenhouse gases are "trapped inside" the Earth's atmosphere and are contributing to global warming.
The prepositions in the other
Question : Direction: Select the missing number from the given matrix:
Option 1: 43
Option 2: 42
Option 3: 33
Option 4: 32
Correct Answer: 33
Solution : Given:
?
In the first column, (5 + 4) x 2 = 18. This is the fourth number.
In the second column, (2 + 4) x 5 = 30. This is the fourth number.
Question : Select the correct direct form of the given sentence.
The man said that he had been walking down the road with his guide dog.
Option 1: The man said, “He were walking down the road with his guide dog.”
Option 2: The man said, “I am walking down the road with my guide dog.”
Option 3: The man said, “I walked down the road with his guide dog.”
Option 4: The man said, “I was walking down the road with my guide dog.”
Correct Answer: The man said, “I was walking down the road with my guide dog.”
Solution : The correct choice is the fourth option.
Narration Conversion:
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. Exploring new places is an exciting way to (1) ____ your horizons and experience different cultures. Whether you prefer to travel by different modes of transportation like boat or aeroplane, there are many ways to get around and see the world. One of the benefits of exploring new places is the (2) _____ to try new foods and cuisines. You can also visit famous landmarks, attend cultural events, and meet people from all walks of life. When travelling, it's important to (3) _____ calm and flexible. Unexpected delays and changes can happen, so it's helpful to have a backup plan and be willing to adapt. Another important (4) _____ of travel is sustainability. By being mindful of your impact on the environment and local communities, you can travel in a responsible and sustainable way. With so many (5) _____, the world is yours to explore. Select the most appropriate option to fill in the blank number 4.
Option 1: constant
Option 2: entirely
Option 3: aspect
Option 4: detail
Correct Answer: aspect
Solution : The correct choice is the third option.
Explanation:
Question : In $\triangle$ABC the height CD intersects AB at D. The mid-points of AB and BC are P and Q, respectively. If AD = 8 cm and CD = 6 cm then the length of PQ is:
Option 1: 3 cm
Option 2: 7 cm
Option 3: 9 cm
Option 4: 5 cm
Correct Answer: 5 cm
Solution : Given: AD = 8 cm and CD = 6 cm $\angle$CDA = 90° So, from Pythagoras theorem we get, AC2 = AD2 + CD2 ⇒ AC = $\sqrt{8^2+6^2}$ ∴ AC = 10 cm The straight line joining the midpoints of two
Question : The average of the marks of 25 students in a class, in an examination was calculated to be 19. Later, the teacher realized that the marks of two students were taken as 18 and 19, respectively, instead of 14 and 15. Find the new actual average marks of the class.
Option 1: 17.43
Option 2: 16.56
Option 3: 18.68
Option 4: 17.65
Correct Answer: 18.68
Solution : Total marks of 25 students with wrong number = 25 × 19 = 475 After correction = 475 – 18 – 19 + 14 +15 = 467 Average = $\frac{\text{Sum of elements}}{\text{Number of elemcents}}$ = $\frac{467}{25}$ = 18.68 Hence, the correct answer is 18.68.
Question : Find the fourth proportional to the numbers 24,192, and 27.
Option 1: 216
Option 2: 108
Option 3: 162
Option 4: 170.67
Correct Answer: 216
Solution : Fourth proportional to the numbers 24,192, and 27 = $\frac{192×27}{24}$ = 216 Hence, the correct answer is 216.
Question : Directions: A + B means A is the father of B, A – B means A is the mother of B, A % B means A is the brother of B, and A # B means A is the daughter of B. If P + Q % R % S # T – U, then how is Q related to U?
Option 1: Brother
Option 2: Brother-in-law
Option 3: Father
Option 4: Son
Correct Answer: Brother
Solution : Given: A + B means A is the father of B. A – B means A is the mother of B. A % B means A is the brother of B. A # B means A is the daughter of B.
First draw the family
Question : Refer to the following data table and answer the question.
Five points are to be deducted from this student's average marks scored because of poor attendance. What will be this student's net average marks scored?
Option 1: 49
Option 2: 54
Option 3: 59
Option 4: 64
Correct Answer: 59
Solution : Average Marks scored = $\frac{\text{sum of the marks in all subjects}}{\text{total number of subjects}}$ Student total average marks is given as $\frac{30+65+80+75+70}{5}$ = $\frac{320}{5}$ = 64 According to the question, Five points are to be deducted from this student's average marks scored, ⇒ The student's
Question : The price of the entry ticket at the fun park was increased in the ratio 7 : 9, due to which, footfalls fell in the ratio 13 : 11. What is the new daily collection (in Rs.), if the daily collection before the price hike was Rs. 2,27,500?
Option 1: 2,37,500
Option 2: 2,47,500
Option 3: 2,32,500
Option 4: 2,42,500
Correct Answer: 2,47,500
Solution : Given: The price of the entry ticket increased in the ratio of 7 : 9 and footfalls fell in the ratio of 13 : 11. Daily collection = (Price of one ticket) × (Footfall per day) ⇒ Ratio of daily collection before and after the
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