Staff Selection Commission Sub Inspector Exam
Question : Study the graph and answer the question. The number of workers in the factory whose weekly earnings are below INR 7,000 is what percentage more than the number of workers whose weekly earnings are INR 7,000 or above but less than INR 8,500?
Option 1: 43.75
Option 2: 42.50
Option 3: 44.25
Option 4: 45.25
Correct Answer: 43.75
Solution : The number of workers whose weekly earnings are below INR 7000 = 105 + 95 + 85 + 60 = 345 The number of workers whose weekly earnings are INR 7000 or above but less than INR 8500 = 90 + 80 + 70 =
Question : Directions: Study the 3 different positions of a cube given below and answer what number comes opposite to 2.
Option 1: 4
Option 2: 5
Option 3: 3
Option 4: 1
Correct Answer: 5
Solution : According to the dice rule, if two or three positions of the same dice are given with two common faces but in different orientations then out of those two common faces the faces that are not common are opposite to each other.
So, the opposite
Question : Which are the shortcut keys used to start a new line in the same cell in Microsoft Excel 365?
Option 1: Tab + Enter
Option 2: Alt + Enter
Option 3: Ctrl + Enter
Option 4: Shift + Enter
Correct Answer: Alt + Enter
Solution : The correct answer is Alt + Enter.
To create a new line in Microsoft Excel 365, the shortcut key Alt + Enter is used. This is also useful when creating a bulleted list, and by pressing the shift and enter keys, it
Question : Directions: Mr. A travelled from point X straight towards the east at a distance of 80 m. He turned to his right and walked 40 m. He again turned to his right and walked 80 m. He then turned his left and walked 20 m, then took a left and walked again 80 m. Now he turned towards his left and walked 60 m and stopped. How far and in which direction is he from the starting point X?
Option 1: 80 m towards the North
Option 2:
60 m towards the East
Option 3:
80 m towards the West
Option 4:
80 m towards the East
Correct Answer:
Solution : Firstly, we will draw the diagram as per the given instructions –
From the above diagram, the distance between the starting and the endpoint is 80 m and the endpoint is in the East direction from the starting point.
So, Mr.
Question : A right square pyramid having a lateral surface area is 624 cm2. If the length of the diagonal of the square is $24 \sqrt{2}$, then the volume of the pyramid is:
Option 1: 1150 cm3
Option 2: 780 cm3
Option 3: 1083 cm3
Option 4: 960 cm3
Correct Answer: 960 cm3
Solution : Given: Length of the diagonal of the square = $24\sqrt2$ Let the side of the square be $a$. We know that, Length of the diagonal of the square = $a\sqrt2$ Thus, $24\sqrt2=a\sqrt2$ $\therefore a = 24$ cm Perimeter of square = 24 ×
Question : What is clickjacking?
Option 1: Malicious technique of tricking Web users into revealing confidential information.
Option 2: A device that sends and receives data in a bit second.
Option 3: A form of Computer Engineering.
Option 4: A digital process that is used to display an image on the monitor.
Correct Answer: Malicious technique of tricking Web users into revealing confidential information.
Solution : The correct option is the Malicious technique of tricking Web users into revealing confidential information.
Clickjacking is a harmful method that deceives people into clicking on something other than what they believe they are doing,
Question : Study the pie chart and answer the question. Distribution (degree-wise) of the number of employees of a company working in 5 departments A, B, C, D and E. Total number of employees = 3200 The number of employees working in department C is what percentage more than the total number of employees working in D and E? (Your answer should be correct to one decimal place.)
Option 1: 22.8%
Option 2: 20.6%
Option 3: 21.4%
Option 4: 23.2%
Correct Answer: 21.4%
Solution :
As per the given figure, The value of employees in department C = 122.4° Total values of employees in department D and E = 64.8° + 36° = 100.8° So, the required percentage = $\frac{(122.4^\circ – 100.8^\circ)}{100.8^\circ}$ × 100 = 21.4% Hence, the correct answer
Question : A can-do $\frac{1}{5}$ of a piece of work in 20 days, B can do 30% of the same work in 36 days, and C can do 80% of the same work in 160 days. B and C together started and worked for x days. After x days B left the work, and A joined C and both completed the remaining work in (x - 41) days. If the ratio between the work done by (B + C) together to the work done by (A + C) together is 19: 6, then what fraction of the same work can be completed by C alone in 2x days?
Option 1: $\frac{57}{100}$
Option 2: $\frac{13}{25}$
Option 3: $\frac{19}{25}$
Option 4: $\frac{6}{25}$
Correct Answer: $\frac{57}{100}$
Solution : A can-do $\frac{1}{5}$ of a piece of work in 20 days ⇒ A can finish complete work in 100 days. B can complete 30% of the work in 36 days ⇒ B can finish complete work in 120 days. C can complete 80% of the
Question : Two pipes can independently fill a bucket in 20 minutes and 25 minutes. Both are opened together for 5 minutes after which the second pipe is turned off. What is the time taken by the first pipe alone to fill the remaining portion of the bucket?
Option 1: 11 minutes
Option 2: 16 minutes
Option 3: 20 minutes
Option 4: 15 minutes
Correct Answer: 11 minutes
Solution : 1 minute work of first pipe = $\frac{1}{20}$ 1 minute work of second pipe = $\frac{1}{25}$ After 5 minutes of operation, the fraction of the work completed = ($\frac{1}{20}$ + $\frac{1}{25}$) × 5 = $\frac{9}{100}$ × 5 = $\frac{9}{20}$ Remaining part $=(1-\frac{9}{20})=\frac{11}{20}$ The remaining
Question : Under which Five-Year Plan did the steel plants of Rourkela, Bhilai and Durgapur get established?
Option 1: Fourth
Option 2: Seventh
Option 3: Third
Option 4: Second
Correct Answer: Second
Solution : The correct answer is Second.
The Second Five-Year Plan (1956–1961) led to the establishment of steel factories in Durgapur, Bhilai, and Rourkela. They were founded in cooperation with Britain, Germany, and Russia in that order.
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