Staff Selection Commission Combined Graduate Level Exam
Question : When did Henry Cavendish report the measurement of the gravitational constant with the mass and density of the Earth?
Option 1: March 1795
Option 2: June 1798
Option 3: April 1796
Option 4: May 1797
Correct Answer: June 1798
Solution : The correct option is June 1798.
In 1797–1798, Henry Cavendish conducted groundbreaking experiments to measure the gravitational constant and calculate Earth's density. His work, published in June 1798 as Experiments to Determine the Density of the Earth, marked a significant step in understanding
Question : Directions: Select the correct mirror image of the given combination when the mirror is placed at line MN as shown.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. So, according to the above property and the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the
Question : Production refers to
Option 1: Destruction of utility.
Option 2: Creation of utility .
Option 3: Exchange value .
Option 4: Use of a product.
Correct Answer: Creation of utility .
Solution : The correct option is Creation of utility.
The process of developing products and services that are useful or valuable to consumers is referred to as production. To create output, this Producing goods that fulfill the demands and needs of customers as well
Question : An anemometer is an instrument meant for measuring
Option 1: Velocity
Option 2: Air Masses
Option 3: Wind Speed
Option 4: Temperature
Correct Answer: Wind Speed
Solution : The correct option is Wind Speed.
An anemometer is an instrument designed to measure the speed of air or other gases. It is commonly used in meteorology to determine wind speed, an essential parameter for weather forecasting, and various applications in industries like
Question : Directions: There are five girls R, S, T, P, and Q sitting in a row facing north. T is sitting exactly in the middle of the row. Q is sitting to the immediate right and immediate left of P and T, respectively. S is not sitting at the extreme end. Who is sitting third to the left of R?
Option 1: P
Option 2: Q
Option 3: S
Option 4: T
Correct Answer: Q
Solution : Given:
(i) T is sitting exactly in the middle of the row.
(ii) Q is sitting to the immediate right and immediate left of P and T, respectively. S is not sitting at the extreme end.
From the final seating arrangement, Q is sitting third
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3) which may improve the sentence. Choose the correct alternative in case no improvement is needed your answer is (4).
I walked back home after the movie yesterday night.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The correct answer is the first option.
"Last night" is an appropriate phrase to use in this context to specify the time when the action took place i.e., yesternight.
So, the correct sentence should be: I walked back home after the movie last night.
Question : What is the sum of the first 20 terms of the following series? $1 \times 2+2 \times 3+3 \times 4+4 \times 5+\ldots \ldots$
Option 1: 3160
Option 2: 2940
Option 3: 3240
Option 4: 3080
Correct Answer: 3080
Solution : Given: The series is $1 \times 2+2 \times 3+3 \times 4+4 \times 5+\ldots \ldots$. The sum of the first $n$ consecutive number = $\frac{n(n+1)}{2}$ The sum of the square of the first $n$ consecutive number = $\frac{n(n + 1) (2n + 1)}{6}$ The sum of
Question : Select the most appropriate option to improve the underlined segment in the given sentence. If there is no need to improve it, select 'No improvement'.
I think she would be much more happier in her hometown.
Option 1: No improvement
Option 2: much happier
Option 3: most happiest
Option 4: more happier
Correct Answer: much happier
Solution : The correct choice is the second option.
The adjective happier is already a comparative form, so adding more before it is redundant and grammatically incorrect.
Therefore, the correct sentence is: I think she would be much happier in her hometown.
Question : Rani Karnaa Nayak, who was awarded the Padma Shri in 2014, was a _______ dancer.
Option 1: Odissi
Option 2: Mohiniyattam
Option 3: Kathak
Option 4: Kathakali
Correct Answer: Kathak
Solution : The correct answer is Kathak.
Rani Karnaa Nayak performed Kathak. In 1927, she was born in Hyderabad, Sindh. Pandit Sohanlal Nayak, her father, began her Kathak instruction when she was five years old. She then studied under other great Kathak dancers, including Shambhu Maharaj
Question : If 20% of (A + B) = 30% of (A − B), then what percentage of B is equal to A?
Option 1: 400%
Option 2: 300%
Option 3: 500%
Option 4: 100%
Correct Answer: 500%
Solution : 20% of (A + B) = 30% of (A − B) ⇒ 20% of A + 20% of B = 30% of A – 30% of B ⇒ 10% of A = 50% of B $\therefore$ A = 500% of B Hence, the correct answer
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