Staff Selection Commission Sub Inspector Exam
Question : Three persons P, Q, and R run along a circular track at speeds of 3 km/hr, 4 km/hr, and 6 km/hr respectively. If the length of the track is 36 km, then how much time will they meet again at the starting point?
Option 1: 38 hours
Option 2: 36 hours
Option 3: 24 hours
Option 4: 28 hours
Correct Answer: 36 hours
Solution : Speed = $\frac{\text{Distance}}{{\text{Time}}}$ The time it takes for each person to run one lap is: For P: $T_P = \frac{36}{3} = 12 \text{ hours}$ For Q: $T_Q = \frac{36}{4} = 9 \text{ hours}$ For R: $T_R = \frac{36}{6} = 6 \text{ hours}$ The time
Question : Directions: In a certain coding system, read this book is coded as 689, this book is useful is coded as 9675, and useful book is good is coded as 5479, What is the code for this book is good in this system?
Option 1: 4965
Option 2: 6457
Option 3: 8495
Option 4: 7859
Correct Answer: 4965
Solution : Given: 1. read this book⇒689 2. this book is useful⇒9675 3. useful book is good⇒5479
By comparing all the above coded sentences, we find that – In sentences 1, and 2, this and book are the common words and
Question : A field is in the shape of a rectangle of length 90 m and breadth 75 m. In one corner of the field, a pit, which is 18 m long 15 m broad, and 6 m deep, has been dug out. The earth taken out of it is evenly spread over the remaining part of the field. Find the rise in the level of the field.
Option 1: 27 cm
Option 2: 25 cm
Option 3: 28 cm
Option 4: 24 cm
Correct Answer: 25 cm
Solution : According to the question, The total area of the field = 90 × 75 = 6750 m2 Area of the pit = 18 × 15 = 270 m2 Remaining area = 6750 – 270 = 6480 m2 The volume of the
Question : In which of the following battles did the founder of the Mughal Empire, Babur, use cannon and ammunition effectively for the first time in India?
Option 1: Battle of Chanderi
Option 2: First Battle of Panipat
Option 3: Battle of Khanwa
Option 4: Battle of Ghaghara
Correct Answer: First Battle of Panipat
Solution : The correct option is the First Battle of Panipat.
The first time Babur, the founder of the Mughal Empire, used cannons and ammunition effectively in India was during the First Battle of Panipat in 1526. In this battle, Babur faced Ibrahim
Question : What do you understand by the term espuma?
Option 1: Foam
Option 2: Soap
Option 3: Salt
Option 4: Calcium
Correct Answer: Foam
Solution : The correct option is Foam.
In Spanish and Portuguese, espuma usually refers to foam or froth. In many circumstances, it can refer to a cluster of small bubbles that emerge on the surface of a liquid as a result of agitation or aeration. Espuma is
Question : Directions: Find out the correct alternative figure which contains the given question figure.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Because there is no restriction on the rotation of the figure, we will check all the possible orientations of the question figure in which of the given option figures it can fit itself. By comparison of all option figures, the question figure is embedded only in
Question : If each side of an equilateral triangle is 12 cm, then its altitude is equal to:
Option 1: $6 \sqrt{3}\ \text{cm}$
Option 2: $3 \sqrt{6}\ \text{cm}$
Option 3: $6 \sqrt{2}\ \text{cm}$
Option 4: $3 \sqrt{2}\ \text{cm}$
Correct Answer: $6 \sqrt{3}\ \text{cm}$
Solution : We know that, The altitude of an equilateral triangle = $\frac{\sqrt3}{2}$ × side $= \frac{\sqrt3}{2} × 12 =6\sqrt3\ \text{cm}$ Hence, the correct answer is $6\sqrt3\ \text{cm}$.
Question : Directions: Three different positions of the same dice are shown. Find the number on the face opposite the face showing 5.
Option 1: 3
Option 2: 2
Option 3: 6
Option 4: 1
Correct Answer: 2
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. While considering Figures
Question : If a + b + c = 19, ab + bc + ca = 120, then what is the value of a3 + b3 + c3 – 3abc?
Option 1: 18
Option 2: 23
Option 3: 31
Option 4: 19
Correct Answer: 19
Solution : Given, a + b + c = 19 and ab + bc + ca = 120 We know, a3 + b3 + c3 – 3abc = (a + b + c) [(a + b + c)2 – 3(ab + bc +
Question : The Industrial Revolution in England represented the climax of the transition from
Option 1: slavery to feudalism
Option 2: feudalism to capitalism
Option 3: capitalism to socialism
Option 4: socialism to market socialism
Correct Answer: feudalism to capitalism
Solution : The correct option is feudalism to capitalism.
According to Karl Marx, capitalism in Europe preceded feudalism, with the Industrial Revolution serving as the pinnacle of the transition from feudalism to capitalism. Marx viewed the Industrial Revolution as a transformative period marked by
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