Staff Selection Commission Sub Inspector Exam
Question : The marked price of a chair was INR 1,000 but it was sold for INR 1,200. What is the percentage increase on the product?
Option 1: 10%
Option 2: 15%
Option 3: 35%
Option 4: 20%
Correct Answer: 20%
Solution : The marked price of the chair = INR 1,000 The selling price of the chair = INR 1,200 Difference = 1200 – 1000 = 200 $\therefore$ Percentage increase = $\frac{\text{Difference}}{\text{Marked Price}}\times100=\frac{200}{1000}\times100=20\%$ Hence, the correct answer is 20%.
Question : Identify the segment in the sentence which contains the grammatical error. If there is no error, select 'No error'. Anita enjoyed to swim in the sea.
Option 1: Anita enjoyed
Option 2: in the sea
Option 3: No error
Option 4: to swim
Correct Answer: to swim
Solution : The fourth option is the correct choice.
The grammatical error in the sentence is in the segment "enjoyed to swim". The correct form should be "Anita enjoyed swimming in the sea." The verb "enjoy" is followed by the gerund form of the verb, which
Question : The headquarters of the Ghadar Party was at:
Option 1: Karachi
Option 2: Moscow
Option 3: Berlin
Option 4: San Francisco
Correct Answer: San Francisco
Solution : The correct option is San Francisco.
The headquarters of the Ghadar Party was located in San Francisco, California, U. S. A. The Ghadar Party was primarily formed by Indian immigrants in the United States and Canada to achieve India's independence from British colonial
Question : Directions: Select the set in which the numbers are related in the same way as the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - operations on 13 such as adding/subtracting/multiplying, etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (82, 75, 66) (69, 62, 53)
Option 1: (21, 16, 9)
Option 2: (49, 52, 35)
Option 3: (61, 54, 45)
Option 4: (36, 28, 21)
Correct Answer: (61, 54, 45)
Solution : Given: (82, 75, 66); (69, 62, 53)
The pattern is as follows – (82, 75, 66)→82 – 75 = 7; 75 – 66 = 9 (69, 62, 53)→69 – 62 = 7; 62 – 53 = 9
Let's check the options – First
Question : Which of the following is the method of heat transfer?
Option 1: Convection
Option 2: Evaporation
Option 3: Revolution
Option 4: Thermal Expansion
Correct Answer: Convection
Solution : The correct option is Convection.
Convection is transferring heat in a fluid (liquid or gas) in which hotter and less dense material rises and colder and denser material sinks, resulting in a circular flow pattern. This phenomenon arises as temperature and density change within the
Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series. 159, 146, ?, 120, 107, 94, 81
Option 1: 136
Option 2: 131
Option 3: 133
Option 4: 140
Correct Answer: 133
Solution : Given: 159, 146, ?, 120, 107, 94, 81
Subtract 13 from each number to obtain the next number. 159 – 13 = 146; 146 – 13 = 133; 133 – 13 = 120; 120 – 13 = 107; 107 – 13 = 94; 94 –
Question : In a journey of three unequal laps, a car covers a distance of 200 km in 4 hr in the first lap, while another 162 km at the speed of 15 m/s in the second lap. It covered the remaining distance of the final lap in 4 hr such that the average speed of the car for the entire journey was 50 km/hr. What was the speed of the car on the third lap of the journey?
Option 1: 47 km/hr
Option 2: 52 km/hr
Option 3: 42 km/hr
Option 4: 45 km/hr
Correct Answer: 47 km/hr
Solution : The concept used here is that the average speed is the total distance travelled divided by the total time taken. Speed in the second lap = 15 m/s = $\frac{15×18}{5}$ km/hr = 54 km/hr Time taken in second lap = $\frac{162}{54}$ hrs = 3
Question : Select the most appropriate meaning of the underlined word. Ram was abandoned by his parents at a very early age.
Option 1: Loved
Option 2: Left
Option 3: Hated
Option 4: Disgraced
Correct Answer: Left
Solution : The correct choice is the second option.
Explanation: In the context of the sentence "Ram was abandoned by his parents at a very early age," the words abandoned and the word left are used interchangeably. Both convey the idea that Ram's parents departed
Question : Directions: My friend and I started simultaneously towards each other from two places 100 m apart. After walking 30 m, my friend turns left and goes 10 m, then he turns right and goes 20 m and then turns right again and comes back to the road on which he had started walking. If we walk at the same speed, what is the distance between us at this point?
Option 1: 50 m
Option 2: 20 m
Option 3: 30 m
Option 4: 40 m
Correct Answer: 20 m
Solution : Firstly, we will draw the diagram as per the given instructions –
In the above figure, the friend is denoted by A and I is denoted by F. Here, AF = 100 m; CD = BE = 20 m Total distance covered by a
Question : Which Union Territory recorded the highest male literacy rate, according to the 2011 Census?
Option 1: Daman and Diu
Option 2: Delhi
Option 3: Andaman and Nicobar Islands
Option 4: Lakshadweep
Correct Answer: Lakshadweep
Solution : The correct answer is Lakshadweep.
According to the Census 2011, Lakshadweep recorded the highest male literacy rate in the Union territory of India. The male literacy of Lakshadweep is 95.56% and the female literacy of Lakshadweep is 87.95%. The overall literacy percentage of Lakshadweep
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