Staff Selection Commission Combined Graduate Level Exam
Question : If the radius of a cylinder is decreased by 20% and the height is increased by 20% to form a new cylinder, then the volume will be decreased by:
Option 1: 23.2%
Option 2: 22.3%
Option 3: 32.2%
Option 4: 20.5%
Correct Answer: 23.2%
Solution : The volume of a cylinder, $V = \pi r^2 h$, where $r$ is the radius and $h$ is the height. If the radius is decreased by 20%, the new radius $r'$ is $0.8r$. If the height is increased by 20%, the new height $h'$ is
Question : Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A. It is not a walker's paradise. So walking is not a fashionable pastime here. B. London is known for its hectic face, frenzied movements, high decibels and dust kicked by the speeding vehicles. C. On the contrary, life in the countryside is laid back and easy-paced. Unless it is raining, people set out for a walk. D. For these reasons, Max never went out for a walk, nor did anyone ask him to accompany.
Option 1: ADCB
Option 2: BADC
Option 3: DCAB
Option 4: CADB
Correct Answer: BADC
Solution : The correct choice is the second option.
The first sentence should be B since it gives general information about London.
Sentence A is also supporting the sentence B so it should come next.
Sentence D mentions the consequences of the previous two sentences. Thus,
Question : Krishna III of Manyakheta belonged to which dynasty?
Option 1: Chera
Option 2: Pala
Option 3: Rashtrakuta
Option 4: Gurjara-Pratihara
Correct Answer: Rashtrakuta
Solution : The correct option is Rashtrakuta.
Krishna III, also known as Karka III, was a prominent ruler of the Rashtrakuta dynasty. He reigned during the 10th century CE and played a significant role in the history of the Rashtrakuta dynasty in India. The Rashtrakutas were
Question : Benny can do a piece of work in 24 days. Chethan and David can do the same work individually in 36 and 48 days, respectively. All of them begin the work together. However, Benny leaves the work 4 days before the completion of work and Chethan leaves the work 10 days before the completion of the work. David worked till the end and completed the work. Find the number of days in which the work was completed.
Option 1: 16
Option 2: 20
Option 3: 18
Option 4: 15
Correct Answer: 16
Solution : The rates of work per day at which Benny, Chethan, and David can complete the work are $\frac{1}{24}$,$\frac{1}{36}$, and $\frac{1}{48}$ respectively. Let the total time taken to complete the work be $T$ days. Benny worked for ($T - 4$) days, Chethan worked for ($T -
Question : Humidity is measured by Which of the following?
Option 1: Lactometer
Option 2: Polarimeter
Option 3: Thermometer
Option 4: Hygrometer
Correct Answer: Hygrometer
Solution : The correct option is the Hygrometer.
A Hygrometer is used to measure humidity. Hygrometers measure the amount of moisture in the air, which is crucial for weather, comfort, and natural processes. Relative humidity (RH), a measurement that compares the amount of water vapour in the
Question : Directions: Select the figure from among the given options that can replace the question mark (?) in the following series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figures – 1. The figure inside the box rotates by 90° in the clockwise direction. 2. The letters present in each box are consecutive letters. 3. The position of the letters is shifting in the clockwise direction from one box to another.
Question : As of April 2022, who among the following is the Chairman of the National Green Tribunal?
Option 1: Adarsh Kumar Goel
Option 2: Uday Umesh Lalit
Option 3: Anoop Kumar Mendiratta
Option 4: Vikram Nath
Correct Answer: Adarsh Kumar Goel
Solution : Correct answer is Adarsh Kumar Goel
National green tribunal established in 2010, NGT is a specialized judicial body for the environment cases in the country. NGT headquarter or the principal place of sitting of the Tribunal is at New Delhi
In April 2022
Question : The law of demand states that:
Option 1: if the price of a good increases, the demand for that good decreases
Option 2: if the price of a good increases, the demand for that good increases
Option 3: if the price of a good increases, the quantity demanded of that good decreases
Option 4: if the price of a good increases, the quantity demanded of that good increases
Correct Answer: if the price of a good increases, the quantity demanded of that good decreases
Solution : The correct answer is if the price of a good increases, the quantity demanded of that good decreases.
According to the law of demand, there is an inverse connection between the
Question : Select the most appropriate meaning of the given idiom.
Far and wide
Option 1: From the past
Option 2: In the future
Option 3: In all possible ways
Option 4: In all directions
Correct Answer: In all directions
Solution : The correct choice is the fourth option.
The idiom far and wide is used to describe a broad or extensive area, indicating a considerable distance or range. It doesn't refer to time but rather to the spatial extent of something. In this
Question : PQR is a triangle right-angled at Q and PQ : QR = 3 : 4. What is the value of $\sin P + \sin Q + \sin R?$
Option 1: $\frac{4}{5}$
Option 2: $\frac{3}{5}$
Option 3: $\frac{12}{5}$
Option 4: $\frac{2}{5}$
Correct Answer: $\frac{12}{5}$
Solution : Given: $\angle PQR = 90°$ and $PQ:QR = 3:4$ Let, $PQ = 3k$, $QR = 4k$. As $PR$ is the hypotenuse, $PR = \sqrt{(3k^{2} + 4k^{2})}=5k$ $\sin P = \frac{QR}{PR} = \frac{4k}{5k}=\frac{4}{5}$ $\sin Q = \sin 90° = 1$ $\sin R = \frac{PQ}{PR} = \frac{3k}{5k}=\frac{3}{5}$
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