Staff Selection Commission Combined Graduate Level Exam
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 9 * 16 * 64 * 8 * 2 * 9
Option 1: ÷, +, ×, –, =
Option 2: –, ÷, +, ×, =
Option 3: +, ÷, ×, –, =
Option 4: ÷, –, +, ×, =
Correct Answer: +, ÷, ×, –, =
Solution : Given: 9 * 16 * 64 * 8 * 2 * 9
Replace * with the mathematical signs and solve the equations one by one using BODMAS. Let's check the given options – First option: ÷, +, ×, –, = 9
Question : A person having bought goods for Rs. 400 sells half of it at a gain of 5%. At what gain percentage must he sell the remainder, so as to gain 25% on the whole?
Option 1: 30%
Option 2: 25%
Option 3: 20%
Option 4: 45%
Correct Answer: 45%
Solution : Total cost price = Rs. 400 The cost price of the first half = Rs. 200 Profit = 5% of cost price = $\frac{5}{100}×200$ = Rs. 10 Selling price of first half = 200 + 10 = Rs. 210 Total profit = 25% of total
Question : Chief Justice of the supreme court is appointed by the
Option 1: Speaker of lok sabha
Option 2: Chairman of the Rajy Sabha
Option 3: Prime Minister
Option 4: President
Correct Answer: President
Solution : Correct answer is The President
The Chief Justice of the supreme court is appointed by the president of India, who is generally the senior most judge of the supreme court, which is mentioned in the article 124 [2]. Chief Justice of India is the highest
Question : What is to be added to 15% of 180 so that the sum is equal to 20% of 360?
Option 1: 45
Option 2: 40
Option 3: 60
Option 4: 50
Correct Answer: 45
Solution : Let the number to be added be $x$. According to the question, $\frac{15}{100}\times 180+x=360\times \frac{20}{100}$ ⇒ $27+x=72$ ⇒ $x=72–27$ ⇒ $x=45$ Hence, the correct answer is 45.
Question : Select the correct passive form of the given sentence.
They called a plumber to replace the rusted pipes.
Option 1: A plumber will be called to replace the rusted pipes.
Option 2: A plumber was called to replace the rusted pipes.
Option 3: A plumber is called to replace the rusted pipes.
Option 4: A plumber has called to replace the rusted pipes.
Correct Answer: A plumber was called to replace the rusted pipes.
Solution : The correct choice is the second option.
Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active voice becomes the subject
Question : Greenpark Stadium is in
Option 1: Bengaluru
Option 2: Dehradun
Option 3: Chandigarh
Option 4: Kanpur
Correct Answer: Kanpur
Solution : Correct Answer is Kanpur.
Green Park Stadium is an international standards cricket stadium of Kanpur,situated close to the river Ganges, India. Its seating capacity is 32,000 seats, floodlit multi-purpose stadium.
The park was established in 1945 and the stadium is named after a British woman
Question : Directions: In the following question, the sentence given with a blank is to be filled in with an appropriate word. Select the correct alternative out of the four. John, as well as his friends, always ____ the permission of his mother before going to a rugby match.
Option 1: asks
Option 2: receives
Option 3: seeks
Option 4: soughts
Correct Answer: seeks
Solution : The third option is the correct answer because 'seeks' means 'to ask for something that is not physical' and contextually fits in the sentence following the 'subject verb agreement' pattern and makes the explanation of the sentence as 'John and his friends always ask his
Question : The following bar diagram shows the number of students who opted for different subjects in the year 2020 and 2021. Out of all 5 subjects, what percentage (rounded up to two decimal places) of students opted for Biology in 2021?
Option 1: 23.14%
Option 2: 22.34%
Option 3: 21.18%
Option 4: 24.31%
Correct Answer: 21.18%
Solution : Number of students who opted for biology in 2021 = 90 Number of students opting for other subjects in 2021 = 85 + 65 + 110 + 75 = 335 Total number of students = 335 + 90 = 425 $\therefore$ Percentage of students opting
Question : In IT terminology, failure in the kernel is called as
Option 1: crash
Option 2: crash dump
Option 3: dump
Option 4: kernel error
Correct Answer: crash
Solution : The correct answer is crash.
In IT terminology, failure in the kernel is called a crash. The kernel is the core of an operating system and it is responsible for managing the computer's hardware and resources. If the kernel crashes, the operating system will no
Question : A kite is flying in the sky. The length of the string between a point on the ground and a kite is 420 metres. The angle of elevation of a string with the ground is 30°. Assuming that there is no slack in the string, then what is the height (in meters) of the kite?
Option 1: $210$
Option 2: $140\sqrt3$
Option 3: $210\sqrt3$
Option 4: $150$
Correct Answer: $210$
Solution : Given: The length of the string is 420 metres and the angle of elevation of a string with the ground is 30°. $\sin\theta = \frac{\text{Perpendicular}}{\text{Hypotenuse}}$ $⇒\sin 30° = \frac{AB}{420}$ $⇒\frac{1}{2} = \frac{AB}{420}$ $\therefore AB = \frac{420}{2} = 210$ m Hence, the correct answer is $210$.
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