Staff Selection Commission Sub Inspector Exam
Question : Directions: The price of an article has been reduced by 25%. To restore the original price, the new price must be increased by?
Option 1: $11\frac{1}{9}\%$
Option 2: $66\frac{2}{3}\%$
Option 3: $9\frac{1}{11}\%$
Option 4: $33\frac{1}{3}\%$
Correct Answer: $33\frac{1}{3}\%$
Solution : Let the price of an article be Rs 100. The price of an article after reduction = 100 – 25 % of 100 The price of an article after reduction = 100 – ($\frac{25}{100}$ × 100) = 100 – 25 = Rs 75
Now, let
Question : The following bar chart shows the vends of foreign direct investment (FDI) into India from all over the world. For which year is the percentage increase in FDI over the previous year the highest?
Option 1: 1997
Option 2: 1994
Option 3: 1996
Option 4: 1993
Correct Answer: 1996
Solution : As per the given graph, Percentage increase in 1993 = $\frac{10.15-5.7}{5.7}$ × 100 = 78.07% Percentage increase in 1994 = $\frac{12.16-10.15}{10.15}$ × 100 = 19.8% Percentage increase in 1995 = $\frac{12.16-10.22}{12.16}$ × 100 = 15.95% Percentage increase in 1996 = $\frac{24.23-10.22}{10.22}$ × 100 = 137.08%
Question : What is the length of the longest rod that can be placed in a room of dimensions 12 m × 9 m × 8 m?
Option 1: 15 m
Option 2: 17 m
Option 3: 16 m
Option 4: 14 m
Correct Answer: 17 m
Solution : Given: Dimension of the room = 12 m × 9 m × 8 m Length of the longest rod= $\sqrt{l^2+b^2+h^2}$ [where $l,b,h$ are length, breadth, and height respectively.] = $\sqrt{12^2+9^2+8^2}$ = $\sqrt{144+81+64}$ = $\sqrt{289}=17$ Hence, the correct answer is 17 m.
Question : Match List l and List ll and mark the correct answer.
Option 1: a - 3, b - 2, c - 4, d - 1
Option 2: a - 4, b - 2, c - 1, d - 3
Option 3: a - 2, b - 4, c - 3, d - 1
Option 4: a - 3, b - 4, c - 1, d - 2
Correct Answer: a - 3, b - 2, c - 4, d - 1
Solution : The correct answer is a - 3, b - 2, c - 4, d - 1.
Jacobabad is a region in Pakistan, and it has a hot desert climate with very hot summers and
Question : Directions: 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. BCB, DED, FGF, HIH, ?
Option 1: JHJ
Option 2: IJI
Option 3: JKJ
Option 4: HJH
Correct Answer: JKJ
Solution : Given: BCB, DED, FGF, HIH, ?
Add 2 to the place value of each letter of the previous term to obtain the next term of the series – BCB→B + 2 = D; C + 2 = E; B + 2 = D DED→D +
Question : The given histogram shows the frequency distribution of the speed of cars passing through at a particular spot on a highway. Study the graph and answer the question that follows. What percentage of cars were running with a speed less than 70 km/h?
Option 1: 45.75 %
Option 2: 60 %
Option 3: 30 %
Option 4: 51.25 %
Correct Answer: 51.25 %
Solution : Total number of cars = 50 + 70 + 85 + 90 + 60 + 45 = 400 Total number of cars with speeds less than 70 km/h = 50 + 70 + 85 = 205 Percentage = ($\frac{\text{Part value}}{\text{Total value}}$) × 100 Percentage
Question : Directions: Sunita walks 45 metres towards the south, then turns right and walks another 45 metres. She then turns right and walks for 20 metres to reach point L. She then again turns to her right and walks for 45 metres. How far (in metres) is she from point L?
Option 1: 50 metres
Option 2: 45 metres
Option 3: 25 metres
Option 4: 60 metres
Correct Answer: 45 metres
Solution : Firstly, we will draw the diagram as per the given instructions –
Now, we have to find the distance between point L and the endpoint covered by Sunita.
The distance between point L and the endpoint = LM = 45 m
The distance between
Question : Directions: In this question, three statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follows/follow from the statements. Statements: All gowns are shirts. Some shirts are coats. All coats are clothes. Conclusions: I. Some gowns are clothes. II. Some clothes are shirts.
Option 1: Both conclusions I and II follow
Option 2: Neither conclusion I nor II follows
Option 3: Only conclusion II follows
Option 4: Only conclusion I follows
Correct Answer: Only conclusion II follows
Solution : The possible Venn diagram, according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): Some gowns are clothes – From the Venn diagram, it is evident that there is no direct relation between gowns and clothes.
Question : Select the option that can be used as a one-word substitute for the given group of words. The one who makes maps and charts.
Option 1: Artist
Option 2: Cartographer
Option 3: Geographer
Option 4: Sculptor
Correct Answer: Cartographer
Solution : The correct choice is the second option.
A cartographer is a person who specialises in the creation of maps. They are skilled at representing geographical, political, geological, or other aspects of an area.
The meanings of the other options are as follows:
Question : Directions: In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error".
I would (1) / rather to (2) / die than beg. (3) / No Error (4)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The error lies in the second part of the sentence.
There is an error in the use of the infinitive form in the sentence. The word "to" is not needed after "rather" in this context. The correct structure after "rather" is to use the base
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