Staff Selection Commission Sub Inspector Exam
Question : Directions: In the following question, select the number which can be placed at the sign of the question mark (?) from the given alternatives.
Option 1: 3
Option 2: 4
Option 3: 5
Option 4: 6
Correct Answer: 6
Solution : Here, the sum of the numbers of the first and second rows is 16, so it should also be the same in the third row.
In the row one: 5 + 1 + 3 + 7 = 16 In the row two: 6 + 2
Question : Select the INCORRECTLY spelt word
Option 1: Knowing
Option 2: Cooking
Option 3: Liveing
Option 4: Loving
Correct Answer: Liveing
Solution : The third option is correct.
The corrected spelling is living. The incorrect spelling in the given word liveing can be fixed by removing the extra "e," and it means an income sufficient to live on.
The meanings of the other options are as follows:
Question : Directions: Some equations are solved based on certain systems. On the same basis, find the correct answer from amongst the four alternatives for the unsolved equation in the question. a = 12(390)8; b = 7(134)5; c = 5(?)12
Option 1: 299
Option 2: 289
Option 3: 279
Option 4: 280
Correct Answer: 279
Solution : Given: a = 12(390)8; b = 7(134)5; c = 5(?)12
Square the sum of the first and third numbers and then subtract 10 from the resultant, to obtain the middle number – Here, a = 12(390)8→(12 + 8)2 – 10 = (20)2 –
Question : Identify the segment in the sentence which contains the grammatical error. If there is no error, select 'No error'
In about two weeks our holidays will start.
Option 1: No error
Option 2: In about two weeks
Option 3: will start
Option 4: our holidays
Correct Answer: No error
Solution : The correct choice is the first option.
The sentence contains no error and it conveys the intended meaning that the holidays will start in two weeks.
Therefore, the sentence is: "In about two weeks our holidays will start."
Question : The population of a town is 1,25,000. If the annual birth rate is 12.7% and the annual death rate is 2.7%, how much will the population increase after 3 years?
Option 1: 43,285
Option 2: 41,375
Option 3: 42,565
Option 4: 40,275
Correct Answer: 41,375
Solution : The present population, $P$ = 1,25,000 Increase rate, $r$ = 12.7% – 2.7% = 10% Time, $n$ = 3 years Total population = $P(1+\frac{r}{100})^{n}$ = $125000(1+\frac{10}{100})^3$ = $125000(\frac{11}{10})^3$ = $125000×\frac{11}{10}×\frac{11}{10}×\frac{11}{10}$ = $166375$ $\therefore$ Population increase = 166375 – 125000 = 41,375 Hence, the correct answer
Question : 36 equally efficient workers can paint 25 identical walls in 48 days. In how many days can 45 such workers paint 60 such walls?
Option 1: 92.36
Option 2: 92.16
Option 3: 91.96
Option 4: 91.16
Correct Answer: 92.16
Solution : Given, 36 equally efficient workers can paint 25 identical walls in 48 days. ⇒ One worker can paint 25 walls in 48 × 36 ⇒ One worker can paint one wall in $\frac{48 × 36}{25}$ ⇒ $\frac{1728}{25}$ days ⇒ 45 workers can paint 1 wall
Question : Which of the following rivers has its origin in Mahabaleshwar?
Option 1: Kaveri
Option 2: Narmada
Option 3: Tapti
Option 4: Krishna
Correct Answer: Krishna
Solution : The correct option is Krishna.
The Krishna River has its origin in Mahabaleshwar. Mahabaleshwar is a hill station located in the Western Ghats in Maharashtra, India, and it is the source of the Krishna River. The Krishna River originates from a spring near the
Question : A closed economy is one in which
Option 1: Does not trade with other countries
Option 2: Does not possess any means of international transport
Option 3: Does not have a coastal line
Option 4: Is not a member of the UNO
Correct Answer: Does not trade with other countries
Solution : The correct answer is Does not trade with other countries.
A closed economy does not trade with other countries, meaning it does not involve itself in imports, exports or any financial exchanges with other nations. Examples of closed economies
Question : As per the 2011 Census, Hindi has retained its position as a predominant language spoken by about________ of the population.
Option 1: 43.63
Option 2: 39.36
Option 3: 37
Option 4: 46.25
Correct Answer: 43.63
Solution : The correct option is 43.63.
As of the 2011 Census in India, Hindi has maintained its prominence as the most widely spoken language, encompassing approximately 43.63% of the population. Following Hindi, Bengali secured the position of the second most spoken language, being used by
Question : "Udyam Abhilasha" is a national-level entrepreneurship awareness campaign launched by which among the following in 2018?
Option 1: The National Bank for Agriculture and Rural Development
Option 2: UCO Bank
Option 3: Arunachal Pradesh Rural Bank
Option 4: Small Industries Development Bank of India
Correct Answer: Small Industries Development Bank of India
Solution : The correct answer is Small Industries Development Bank of India.
"Udyam Abhilasha" is a national-level entrepreneurship awareness campaign launched by the Small Industries Development Bank of India (SIDBI) in 2018. The campaign aims to inspire rural youth to take
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