Staff Selection Commission Sub Inspector Exam
Question : A train 150 m long takes 20 seconds to cross a platform 450 m long. The speed of the train (in km/hr) is:
Option 1: 108 km/hr
Option 2: 100 km/hr
Option 3: 106 km/hr
Option 4: 104 km/hr
Correct Answer: 108 km/hr
Solution : Distance to be covered = 150 + 450 = 600 m Time = 20 sec $\therefore$ Speed = $\frac{600}{20}$ = 30 m/sec $= 30 × \frac{18}{5}$ = 108 km/hr Hence, the correct answer is 108 km/hr.
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution'. The tree was uprooted by the storm last evening, isn't it?
Option 1: didn't it
Option 2: wasn't it
Option 3: was it
Option 4: No substitution
Correct Answer: wasn't it
Solution : The second option is the correct answer.
The original sentence ends with "isn't it," which is a tag question used for confirmation or agreement. However, when the main clause is in the past tense (as it is in this case), the appropriate tag question
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).
You cannot forbid him leaving.
(1) his leaving
(2) he leaving
(3) him to leave
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The correct answer is the first option.
In the original sentence, "him leaving" is a gerund phrase that functions as the direct object of the verb "forbid". The possessive form is more appropriate as it follows the gerund.
Therefore, the correct statement should be: "You
Question : Five times of a positive integer is equal to 3 less than twice the square of that number. The number is:
Option 1: 3
Option 2: 13
Option 3: 23
Option 4: 33
Correct Answer: 3
Solution : Let the positive integer be $x$. $5x+3 = 2x^{2}$ ⇒ $2x^{2}- 5x-3=0$ ⇒ $2x^{2}- 6x+x-3=0$ ⇒ $2x(x-3)+1(x-3)=0$ ⇒ $(2x+1)(x-3)=0$ Since $x$ cannot be negative, ⇒ $(x-3)=0$ ⇒ $x=3$ Hence, the correct answer is 3.
Question : Directions: Select the option that is related to the third word in the same way as the second word is related to the first word. Russia : Ruble :: Myanmar : ?
Option 1: Dirham
Option 2: Baht
Option 3: Kyat
Option 4: Peseta
Correct Answer: Kyat
Solution : Given: Russia : Ruble :: Myanmar : ?
Like, the currency of Russia is the Ruble. Similarly, the currency of Myanmar is the Kyat.
Hence, the third option is correct.
Question : Which constitutional amendment act of India reduced the voting age from 21 years to 18 years?
Option 1: 42nd Amendment Act
Option 2: 61st Amendment Act
Option 3: 74th Amendment Act
Option 4: 83rd Amendment Act
Correct Answer: 61st Amendment Act
Solution : The correct answer is the 61st Amendment Act.
The 61st Amendment Act 1988 reduced the minimum voting age from 21 years to 18 years. The right to vote is a constitutional right mentioned in Article 326 of the Indian constitution. Any citizen irrespective
Question : Kudumbashree is a programme implemented by the State Poverty Eradication Mission (SPEM) in_____________.
Option 1: Odisha
Option 2: Gujarat
Option 3: Andhra Pradesh
Option 4: Kerala
Correct Answer: Kerala
Solution : The correct option is Kerala.
Kudumbashree is a poverty eradication and women's empowerment program implemented by the State Poverty Eradication Mission (SPEM) in the Indian state of Kerala. The program was launched in 1998 and focuses on community development by organizing women into community-based
Question : Directions: Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements Statements: All cupboards are shelves. All shelves are drawers. Conclusions: I. All cupboards are drawers. II. All drawers are shelves.
Option 1: Neither conclusion I nor II follows
Option 2: Both conclusions I and II follow
Option 3: Only conclusion II follows
Option 4: Only conclusion I follows
Correct Answer: Only conclusion I follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyze the conclusions – Conclusion I: All cupboards are drawers – From the Venn diagram, it is evident that the circle representing cupboards is completely overlapped by the
Question : Directions: Select the figure that will come in place of the question mark (?) in the following figure series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given question figure – 1. In each box, the pentagon and triangle are rotating by 90° in the clockwise direction. 2. Each shape, starting from a triangle, pentagon, or circle moves from one corner to another corner in a clockwise direction. So, following
Question : Directions: In the following question, find the odd number pair from the given alternatives.
Option 1: 121 – 196
Option 2: 441 – 484
Option 3: 25 – 36
Option 4: 169 – 196
Correct Answer: 121 – 196
Solution : Let's check the options –
First option: 121 – 196 ⇒ (11)² – (14)² Second option: 441 – 484 ⇒ (21)² – (22)² Third option: 25 – 36 ⇒ (5)² – (6)² Fourth option: 169 – 196 ⇒ (13)² – (14)²
So, the
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