Staff Selection Commission Sub Inspector Exam
Question : Directions: Select the option that will fill in the blank and complete the given series. CYB, FUG, IQL, LMQ, OIV, ___
Option 1: REZ
Option 2: PFZ
Option 3: REA
Option 4: PEA
Correct Answer: REA
Solution : Given: CYB, FUG, IQL, LMQ, OIV, ___
Add 3 to the first letter, subtract 4 from the second letter, and add 5 to the third letter of the previous term to obtain the next term in the series – CYB→C + 3 = F; Y
Question : The price of a stock increased by 30% in the first year and decreased by 20% in the second year. If an investor bought 100 shares of the stock for INR 1,000, then what is the final value of the investment after 2 years?
Option 1: INR 960
Option 2: INR 1,040
Option 3: INR 1,400
Option 4: INR 1,020
Correct Answer: INR 1,040
Solution : Price of 100 stocks = INR 1000 Price after 1 year with an increment of 30% = $1000\times\frac{130}{100}$ = 1300 Price after 2 years with a decrement of 20% = $1300\times\frac{80}{100}$ = 1040 Hence, the correct answer is INR 1040.
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2 and 3 that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
She was more beautiful than either of her three sisters.
(1) either of her three sister
(2) any of her three sisters
(3) all of her three sisters
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The correct answer is the second option.
Explanation: "Either of her three sisters" should be replaced with "any of her three sisters" to convey the intended meaning that she was more attractive or lovely than any one of her three sisters individually.
Therefore,
Question : Which of the following government departments is associated with infrastructure development in India?
Option 1: Division of Economic Agenda
Option 2: Division of Electricity Agenda
Option 3: Department of Energy Affairs
Option 4: Department of Economic Affairs
Correct Answer: Department of Economic Affairs
Solution : The correct answer is the Department of Economic Affairs.
All policy-related issues in the infrastructure sector, including those concerning roads, ports, shipping, railways, inland water transport, urban development, power, and telecommunication sectors, referred to the Department of Economic Affairs (DEA) by
Question : When the temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will:
Option 1: remain same
Option 2: double
Option 3: three times
Option 4: four times
Correct Answer: double
Solution : The correct option is double.
The rate of heat loss increases as the temperature differential between a liquid and its surroundings is doubled. Fourier's law of heat conduction, states that the heat transmission is proportional to the temperature differential between the object.
Question : The value of 1801 × 1801 is:
Option 1: 3423601
Option 2: 3243601
Option 3: 2343601
Option 4: 3243106
Correct Answer: 3243601
Solution : Given: 1801 × 1801 It can also be written as (1800 + 1) × (1800 + 1) = (1800 + 1)2 Now, (1800 + 1)2 = 18002 + 12 + 2 × 1800 × 1 = 3240000 + 1 + 3600
Question : Directions: Which answer figure will complete the pattern in the question figure?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : On comparing, the question figure and all the answer figures, the following figure will combine and make the complete pattern –
Hence, the first option is correct.
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error."
Everyone were happy to hear about his success.
(1) to hear
(2) about his success.
(3) No Error
(4) Everyone were happy
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The error is in the fourth option.
"Everyone were happy" contains an error. The correct form is "Everyone was happy". "Everyone" is a singular pronoun and should be followed by the singular verb "was" as per the subject-verb agreement.
Therefore, the correct sentence is, "Everyone
Question : Directions: The following small letters are coded by the capital letters in a certain way: s u m l a d→R A P M S O Now, which small letters can be decoded from the letters given below? M A P S R O
Option 1: l u m d a s
Option 2: l u m s d a
Option 3: l u m a s d
Option 4: l u m s a d
Correct Answer: l u m a s d
Solution : Given: s u m l a d→R A P M S O M A P S R O→?
Here, each small letter is assigned its code letter by the capital alphabet. s→R; u→A; m→P; l→M; a→S; d→O M A P
Question : The given graph shows the income and expenditure of a family. Study the graph and answer the question that follows.
The expenditure of the family increased by _____ from 2017 to 2018.
Option 1: 25%
Option 2: 11%
Option 3: 22%
Option 4: 20%
Correct Answer: 25%
Solution : From the given chart, Expenditure in 2017 = 80 Expenditure in 2018 = 100 $\therefore$ Increased percentage = $\frac{100-80}{80}\times 100=\frac{20}{80}\times 100= 25\%$ Hence, the correct answer is 25%.
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