Staff Selection Commission Sub Inspector Exam
Question : Directions: Leela starts from a point and walks 1 km east and then turns left and walks 2 km and turns right and walks 2 km again. She starts towards a point 2 km towards her right, from where again she walks 1 km left. How far is she from her starting point?
Option 1: 3 km
Option 2: 4 km
Option 3: 5 km
Option 4: 2 km
Correct Answer: 4 km
Solution : Firstly, we will draw the diagram as per the given instructions –
Now, we have to find the distance between Leela's starting position and final position.
The distance between Leela's starting position (A) and final position (F) = 4 km
So, the required distance
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
It is said that everyone lives (1) _________selling something. What you can (2) ____________from this statement is that teachers live by selling knowledge, philosophers live by selling wisdom and priests earn their living by selling spiritual comfort. Though it may be possible to measure the value of material goods in terms of money, it is extremely difficult to (3) ___________the true value of the services which people perform for us. There are times when we would (4) ____________give everything we possess to save our lives, yet we might grudge paying a surgeon a high fee for offering us precisely the same service. The (5) ___________of society are such that skills have to be paid for in the same way that goods are paid for at a shop.
Question: Select the most appropriate option to fill in the blank number 3.
Option 1: extort
Option 2: mock
Option 3: conceal
Option 4: estimate
Correct Answer: estimate
Solution : The fourth option is correct.
The sentence would read: "Though it may be possible to measure the value of material goods in terms of money, it is extremely difficult to estimate the true value of the services that people perform for us."
In this context,
Question : Which of the following elements is obtained from seaweeds?
Option 1: Iodine
Option 2: Vanadium
Option 3: Argon
Option 4: Sulphur
Correct Answer: Iodine
Solution : The correct option is Iodine.
Rich levels of iodine, an element that is necessary for optimal thyroid function and a healthy metabolism, may be found in seaweed like laminaria and polysiphonia. Additionally, zinc and antioxidants found in seaweed aid in boosting immunity.
Question : What will happen if a glass bottle is filled with water, sealed with a lid and put into a freezer?
Option 1: The glass bottle will be deformed due to atmospheric pressure on the bottle after the water freezes.
Option 2: Nothing will happen
Option 3: The weight of the glass bottle will increase after the water freezes into ice.
Option 4: Eventually, the ice will burst the glass bottle.
Correct Answer: Eventually, the ice will burst the glass bottle.
Solution : The correct option is Eventually, the ice will burst the glass bottle.
A glass bottle filled with water and covered with a lid will ultimately shatter from the ice inside the freezer. The water's density rises with
Question : Select the most appropriate synonym of the given word.
Restrain
Option 1: Allow
Option 2: Assist
Option 3: Free
Option 4: Constrain
Correct Answer: Constrain
Solution : The correct choice is the fourth option.
Explanation:
The word restrain means to hold back, limit, or prevent, and constrain is a synonym that aligns with this meaning. Constrain is the most appropriate synonym, as it shares a similar meaning of restricting or limiting.
Question : The value of $\frac{\sin ^2 30^{\circ}+\cos ^2 60^{\circ}+\sec 45^{\circ} × \sin 45^{\circ}}{\sec 60^{\circ}+{\text{cosec}} 30^{\circ}}$ is:
Option 1: $\frac{1}{4}$
Option 2: $-\frac{3}{8}$
Option 3: $\frac{3}{8}$
Option 4: $-\frac{1}{4}$
Correct Answer: $\frac{3}{8}$
Solution : $\frac{\sin ^2 30^{\circ}+\cos ^2 60^{\circ}+\sec 45^{\circ} × \sin 45^{\circ}}{\sec 60^{\circ}+{\text{cosec}} 30^{\circ}}$ $=\frac{\frac{1}{2}^{2} + \frac{1}{2}^{2} + \sqrt 2 × \frac{1}{\sqrt 2}}{2 + 2}$ $=\frac{\frac{1}{4} + \frac{1}{4} + 1}{2 + 2}$ $=\frac{\frac{3}{2}}{4}$ $=\frac{3}{8}$ Hence, the correct answer is $\frac{3}{8}$.
Question : The All-India Khilafat Conference in November 1919 took place at:
Option 1: Lucknow
Option 2: Delhi
Option 3: Bombay
Option 4: Lahore
Correct Answer: Delhi
Solution : The correct option is Delhi.
The All-India Khilafat Conference in November 1919 took place in Delhi, India. The conference was a significant event in the context of the Khilafat Movement, which aimed to protect the Ottoman Caliphate and address the issues faced by Muslims in
Question : Which of the following brings back deoxygenated blood from different parts of the human body to the heart?
Option 1: Veins
Option 2: Arteries
Option 3: Nerves
Option 4: Lungs
Correct Answer: Veins
Solution : The correct option is Veins.
The systemic veins transport deoxygenated blood from the body to the heart. These veins carry oxygen-depleted blood from various parts of the body back to the heart's right atrium, where it is pumped to the lungs for oxygenation.
Question : The given chart shows the marks scored by a class X student in different subjects. If the total marks are 1800, then find the difference between the marks scored in science and mathematics.
Option 1: 2
Option 2: 10
Option 3: 1
Option 4: 5
Correct Answer: 10
Solution : As per the given graph, The total mark is 1800. The total degree of marks = 360° The total marks scored in Science = $\frac{82^\circ}{360^\circ}$ × 1800 = 410 The total marks scored in Mathematics = $\frac{84^\circ}{360^\circ}$ × 1800 = 420 $\therefore$ The required difference
Question : Directions: Four groups of numbers have been given, out of which three are alike in some manner and one is different. Select the group that is different.
Option 1: 17 : 102 : 204
Option 2: 12 : 72 : 144
Option 3: 14 : 90 : 180
Option 4: 26 : 156 : 312
Correct Answer: 14 : 90 : 180
Solution : Let's check each option – First option: 17 : 102 : 204; 17 × 6 = 102 and 102 × 2 = 204 Second option: 12 : 72 : 144; 12 × 6 = 72 and 72 × 2 = 144
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