Staff Selection Commission Combined Graduate Level Exam
Question : A right circular cylinder has a height of 18 cm and a radius of 7 cm. The cylinder is cut into three equal parts (by two cuts parallel to the base). What is the percentage increase in total surface area?
Option 1: $62\%$
Option 2: $56\%$
Option 3: $48\%$
Option 4: $52\%$
Correct Answer: $56\%$
Solution : The total surface area of a right circular cylinder $=2\pi r(h + r)$, where $r$ is the radius and $h$ is the height. We have a height is $18\;\mathrm{cm}$ and a radius is $7\;\mathrm{cm}$. The initial total surface area $\mathrm{(T_1)}$ of the cylinder, $\mathrm{T_1}=2\pi \times
Question : Which state ranked first among the 18 large and mid-sized states (with population of over one crore each) in justice delivery in India as per the second edition of the India Justice Report?
Option 1: Maharashtra
Option 2: Tamil Nadu
Option 3: West Bengal
Option 4: Karnataka
Correct Answer: Maharashtra
Solution : The correct option is Maharashtra.
The second edition of the India Justice Report, released in 2019, ranked Maharashtra as the top state among the 18 large and mid-sized states (with a population of over one crore each) in terms of justice delivery in India.
Question : A constable Ram is 225 m behind a thief Somesh. Ram runs 50 m and Somesh runs 30 m in a minute. At what time will the constable Ram catch the thief Somesh?
Option 1: 10 minutes 16 seconds
Option 2: 15 minutes 11 seconds
Option 3: 16 minutes 10 seconds
Option 4: 11 minutes 15 seconds
Correct Answer: 11 minutes 15 seconds
Solution : Given: A constable Ram is 225 m behind a thief Somesh. Ram runs 50 m and Somesh runs 30 m in a minute. They were running in the same direction. So, their relative speed is (50 – 30) = 20 m in
Question : Zubin Mehta is associated with _______.
Option 1: literature
Option 2: painting
Option 3: music
Option 4: journalism
Correct Answer: music
Solution : The correct option is music.
Zubin Mehta, an Indian conductor of Western classical music, was born on April 29, 1936. He serves as the Los Angeles Philharmonic's conductor emeritus and the Israel Philharmonic Orchestra's (IPO) emeritus music director. He received the Padma Bhushan (1966),
Question : Different computers are connected to a LAN by a cable and a
Option 1: modem
Option 2: interface card
Option 3: special wires
Option 4: telephone lines
Correct Answer: interface card
Solution : The correct option is interface cards.
Connecting several computers to a Local Area Network (LAN) through cables and interface cards is a usual procedure to enable communication and data exchange among these systems. Ethernet cables are commonly used to physically link PCs to LANs.
Question : Teeth and Bones acquire strength and rigidity from
Option 1: Calcium
Option 2: Fluorine
Option 3: Chlorine
Option 4: Sodium
Correct Answer: Calcium
Solution : The correct answer is Calcium.
Calcium provides strength and stiffness to teeth and bones. Calcium is a mineral that is necessary for the formation and maintenance of strong teeth and bones. It may be found in a variety of foods, such as dairy products, leafy
Question : The pie chart given below shows the number of boys in 8 schools. The total number of boys in all these 8 schools is 10,000. Number of boys in a particular school is shown as a percentage of total number of boys in all these 8 schools.
What is the ratio of the total central angle formed by sectors C, D, and F to the total central angle formed by sectors A, G, and H?
Option 1: 20 : 43
Option 2: 44 : 21
Option 3: 17 : 39
Option 4: 19 : 44
Correct Answer: 20 : 43
Solution : Total central angle formed by sector C, D, and F = (12% + 2% + 6%) × 360° = 72° Total central angle formed by sector A, G, and H = (19% + 14% + 10%) × 360° = 154.8° So, the required
Question : Direction: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
0, ?, 8, 27, 64, 125
Option 1: 5
Option 2: 4
Option 3: 2
Option 4: 1
Correct Answer: 1
Solution : Given: 0, ?, 8, 27, 64, 125
Here, the pattern is:
(0)³ = 0; (1)³ = 1; (2)³ = 8; (3)³ = 27; (4)³ = 64; (5)³ = 125
So, the series becomes → 0, 1, 8, 27, 64, 125
Hence, the fourth
Question : Directions: Which letter cluster will replace the question mark (?) to complete the given series? LAFI, MCGL, ?, OGIR, PIJU
Option 1: NFHO
Option 2: NFIO
Option 3: NEHO
Option 4: NEIO
Correct Answer: NEHO
Solution : Given: LAFI, MCGL, ?, OGIR, PIJU
Add 1 in the place value of the first and the third letters and 2 and 3 in the place value of the second and the fourth letter respectively to find the next term in the series. LAFI→L +
Question : A car covers a distance of 350 km in 5 hours and covers another 450 km at a speed of 90 km/hr. What is the average speed (in km/hr) of the car?
Option 1: 72
Option 2: 82
Option 3: 80
Option 4: 85
Correct Answer: 80
Solution : Given: A car covers a distance of 350 km in 5 hours. $\text{Speed} = \frac{\text{Distance}}{\text{Time}}$ The time taken by the car $=\frac{450}{90} = 5$ hours So, the car covers an overall time of (5 + 5) = 10 hours The total distance travelled by the
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