Staff Selection Commission Sub Inspector Exam
Question : The speeds of two bodies are in the ratio 2 : 3. If the difference in the time taken to cover 50 m is 10 sec, then find the difference in their speeds.
Option 1: $\frac{8}{9} \mathrm{~m} / \mathrm{sec}$
Option 2: $\frac{5}{6} \mathrm{~m} / \mathrm{sec}$
Option 3: $\frac{6}{5} \mathrm{~m} / \mathrm{sec}$
Option 4: $\frac{7}{5} \mathrm{~m} / \mathrm{sec}$
Correct Answer: $\frac{5}{6} \mathrm{~m} / \mathrm{sec}$
Solution : Let the speed of two bodies be $2x$ and $3x$. Time taken by first body = $\frac{50}{2x}$ Time taken by second body = $\frac{50}{3x}$ According to the question, $\frac{50}{2x}-\frac{50}{3x}=10$ ⇒ $\frac{150-100}{6x}=10$ ⇒ $50=60x$ ⇒ $x=\frac{50}{60}=\frac{5}{6}$ Hence, the correct answer is $\frac{5}{6} \mathrm{~m}
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.
The concept of motivation focuses on explaining what 'moves' behaviour. In fact, the term (1)_______ is derived from the Latin word 'movere', referring to the movement of activity. Most of our everyday explanation of (2)________ is given in terms of motives. Motives also help in making (3)__________ about behaviour. A person will work hard in school, in sports, in business, in music, and in many other situations, if he/she has a very strong need for (4)__________. Hence, motives are the general states that enable us to make predictions about behaviour in many different situations. In other words, motivation is one of the (5)_________ of behaviour. Instincts, drives, needs, goals, and incentives come under the broad cluster of motivation. Question: Select the most appropriate option to fill in the blank number (3).
Option 1: clarifications
Option 2: predictions
Option 3: directions
Option 4: decisions
Correct Answer: predictions
Solution : The correct answer is the second option.
In the context of the sentence, motives assist in making predictions about behaviour. When individuals have strong needs or desires, it influences their actions or behaviours in various situations. Therefore, motives help in predicting how individuals will behave
Question : Which of the following instruments can detect the presence of a current in a circuit?
Option 1: Galvanometer
Option 2: Sphygmomanometer
Option 3: Barometer
Option 4: Magnetometer
Correct Answer: Galvanometer
Solution : The correct answer is Galvanometer.
A galvanometer is a tool used to measure the amount or identify a tiny electric current. A coil in a magnetic field or the movement of a magnetic needle, which is a crucial component of a galvanometer, can typically indicate
Swans are large waterbirds that (1)_____ to the family Anatidae, which also includes ducks and geese. They (2)_____ for their beauty and grace and are often used as symbols of love, fidelity, and elegance. They are also famous for their (3)_____ features, such as their long necks, large wingspans, and striking white feathers. (4)_____, not all swan species are white; the Black Swan, (5)_____, has black feathers with a red bill. Swans are found on every continent and are known for their strong pair bonds. They mate for life and can live up to 20 years.
Question: Select the most appropriate option to fill in the blank number 4.
Option 1: Consequently
Option 2: Because
Option 3: Formerly
Option 4: However
Correct Answer: However
Solution : The correct choice is the fourth option.
The word "however" is used to introduce a contrasting statement or idea. In this context, the previous sentence mentions the swans' famous features, such as their long necks, large wingspans, and striking white feathers. The word "however"
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2) and (3) which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (4).
I want a nurse to look after my child of about fifty years.
(1) I want a nurse to look of about fifty years after my child.
(2) I want a nurse of about fifty years to look after my child.
(3) To look after my child of about fifty years I want a nurse.
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The correct option is the second option.
Explanation:
It maintains a clear and grammatically correct sentence structure. It indicates that the speaker is looking for a nurse who is about fifty years old to take care of their child.
The other options have word order
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence. You can become confident to speak English within one year.
Option 1: convinced to speaking
Option 2: reassured of speaking
Option 3: assured of speaking
Option 4: confident in speaking
Correct Answer: confident in speaking
Explanation: "Confident in speaking" is a commonly accepted and idiomatic phrase in English. The preposition "in" is the appropriate choice when expressing confidence in a particular skill or activity. The use of "speaking" rather than "speak"
Question : Directions: Select the Venn diagram that best represents the relationship between the following classes. Cows, Wild animals, Fox
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Based on the general information, the fox is a wild animal whereas a cow is a domestic animal. So, the circle that represents the fox will lie inside the circle that represents wild animals. and the circle that represents the cow will be drawn separately. Therefore,
Question : What was the target growth rate of the Indian economy in the Second Five-Year Plan?
Option 1: 6.7%
Option 2: 2.8%
Option 3: 5.4%
Option 4: 4.5%
Correct Answer: 4.5%
Solution : The correct answer is 4.5%.
The second plan called for an increase in prices. The nation also experienced a crisis in foreign exchange. The population's explosive rise hindered the per capita income's rate of increase. The actual growth rate was 4.27%, compared to the
Question : Select the most appropriate synonym of the given word. Vulnerable
Option 1: Susceptible
Option 2: Guarded
Option 3: Amiable
Option 4: Delectable
Correct Answer: Susceptible
Solution : The first option is correct.
Explsnstion: Vulnerable means being open to physical or emotional harm, attack, or damage. It suggests a state of being easily hurt or influenced. Susceptible means it implies a lack of resistance or a heightened sensitivity to external factors.
Therefore, the
Question : Directions: In a code language, CLARITY is written as 176. How will FROZEN be written in that language?
Option 1: 160
Option 2: 186
Option 3: 216
Option 4: 168
Correct Answer: 168
Solution : Given: CLARITY is written as 176.
The sum of the positional values of the alphabet in a given word is multiplied by 2 to obtain the required code. CLARITY→C(3) + L(12) + A(1) + R(18) + I(9) + T(20) + Y(25) = 88; 88 ×
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