Staff Selection Commission Sub Inspector Exam
Question : Geeta runs $\frac{5}{2}$ times as fast as Babita. In a race, if Geeta gives a lead of 40 m to Babita, find the distance from the starting point where both of them will meet (correct up to two decimal places).
Option 1: 66.67 m
Option 2: 65 m
Option 3: 65.33 m
Option 4: 66 m
Correct Answer: 66.67 m
Solution : Let the speed of Babita be $2x$. Speed of Geeta = $\frac{5}{2} \times 2x = 5x$ Let the distance covered by Geeta be $y$ metres. Distance covered by Babita = $(y - 40)$ metres As time is constant, distance is directly proportional to speed.
Question : An article is sold for Rs. 6552 after a discount of 22%. What is the marked price (in Rs.) of the article?
Option 1: 8450
Option 2: 8425
Option 3: 8400
Option 4: 8750
Correct Answer: 8400
Solution : Given: An article is sold for Rs. 6552 after a discount of 22%. Let the marked price be 100 units. So, the selling price is (100 – 22) = 78 units When the selling price is Rs. 6552, The marked price will be $\frac{100}{78}$ ×
Question : Directions: In a certain code language, LUCKNOW is written as 6, and PATANA is written as 5. How will RAJASTHAN be written in that language?
Option 1: 8
Option 2: 7
Option 3: 9
Option 4: 6
Correct Answer: 8
Solution : Given: LUCKNOW is written as 6, and PATANA is written as 5.
Subtract 1 from the total number of letters in LUCKNOW, to obtain the required code – The total number of letters in the word LUCKNOW is 7→7 – 1 = 6 Thus, LUCKNOW
Question : A can do work in 12 days and B in 20 days. If they together work on it for 5 days and the remaining work is completed by C in 3 days, then in how many days can C do the same work alone?
Option 1: 10 days
Option 2: 9 days
Option 3: 12 days
Option 4: 15 days
Correct Answer: 9 days
Solution : Given: A can do a piece of work in 12 days and B in 15 days. Time taken by A = 12 days So, part of work done by A in 1 day = $\frac{1}{12}$ Time taken by B = 20 days So, part
Question : Directions: In each of the following questions select the related words/letters/numbers/ figure from the given alternatives.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figures – 1. From Box 1 to Box 2, box 1 is rotated by 90° in an anticlockwise direction. 2. The oval shape figure moves to the right corner, also the triangle with a dot is now inside the rhombus. By following
Question : Directions: From the given options, which answer figure can be formed by folding the figure given in the question?
Solution : In the 3D view of dice, 1. Each face out of the three faces in the 3D view should be from all the pairs. 2. Two opposite faces cannot appear adjacently in the 3D view of a folded cube figure. So, the opposite pairs of faces
Question : Which of the following is an example of sublimation?
I. Dry ice
II. Camphor
III. Ice
Option 1: I and II
Option 2: I,II,and III
Option 3: Only I
Option 4: Only II
Correct Answer: I and II
Solution : The correct option is I and II
Sublimation is a change in which a substance transitions directly from a solid to a gaseous state, bypassing the intermediate liquid phase. It occurs when the prevailing temperature and pressure conditions allow the substance's vapour pressure
Question : Comprehension:
Read the given passage and answer the questions that follow.
On May 2, 2018, severe dust storms and thunderstorms hit parts of Rajasthan, Uttar Pradesh, and other adjoining regions. Explaining the reasons behind such severe weather systems, M. Mohapatra, a senior scientist with the India Meteorological Department (IMD), said that dust storms and thunderstorms are a result of nearly similar weather conditions, like intense heat. Areas that have moisture in the air experience thunderstorms, while those that don't have moisture experience dust storms. "All such conditions were being fulfilled on that day. The region had moist easterly winds coming from the Bay of Bengal, and there was a western disturbance system too. All this together triggered the events on May 2," he added.
In simple terms, a dust storm can be explained as a phenomenon that occurs when strong winds carry dust over an extensive area.
As far as the timing of their occurrence is concerned, Mohapatra stated that there is no deviation in the time of occurrence of a dust storm or thunderstorm activity, as they usually peak in the pre-monsoon period.
These events happen between March and May only. In the pre-monsoon period, temperatures are very high, around 44–45 degrees Celsius, and lead to such activities.
Even though dust storms and thunderstorms are a common feature every year, there has been no focused work on studying the trends related to them. "In the coming years, there could be more instances of intense thunderstorms and sand storms, but they have to be studied in detail, looking at the data from over 30 to 40 years to notice a trend. Work has been more or less confined to cyclones and monsoon systems, but not much on dust storms or thunderstorms. It needs study," admitted Mohapatra.
The extent of damage caused by thunderstorm activity in India can be gauged from the data of India's National Crime Records Bureau (NCRB). As per the NCRB data, compared to other natural disasters like cyclones, floods, or heat waves, lightning kills more people in India. For instance, at least 25 percent of the 10,510 accidental deaths attributable to forces of nature in 2015 were due to lightning. The number of deaths due to lightning has constantly remained over 2,000 every year since 2005.
Question:
A dust storm mainly occurs due to:
Option 1: moisture in the air
Option 2: easterly wind
Option 3: intense heat
Option 4: extreme cold
Correct Answer: intense heat
Solution : The third option is the correct choice (refer to the first paragraph).
As explained by M. Mohapatra in the passage, both dust storms and thunderstorms are a result of nearly similar weather conditions, particularly intense heat. He mentions that areas experiencing intense heat without
Question : Select the INCORRECTLY spelt word
Option 1: Legitimate
Option 2: Exagerate
Option 3: Propagate
Option 4: Promulgate
Correct Answer: Exagerate
Solution : The correct answer is the second option.
The incorrectly spelled word is exagerate. The correct spelling is exaggerate, which means to represent something as being larger, greater, better, or worse than it is. It involves overstatement or embellishment.
The meanings of the other options are
Question : The credit for discovering the sea route of India goes to the:
Option 1: French
Option 2: Dutch
Option 3: Portuguese
Option 4: English
Correct Answer: Portuguese
Solution : The correct answer is Portuguese.
Vasco da Gama, a Portuguese sailor, discovered a sea route to India in 1498 CE. Initially, trade with India was conducted by a land route from the northwest. However, due to the Turkish Empire's political problems, the land route
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