Staff Selection Commission Sub Inspector Exam
Question : What is the chemical symbol of Arsenic?
Option 1: Ac
Option 2: An
Option 3: As
Option 4: Ar
Correct Answer: As
Solution : The correct option is As.
The chemical symbol of Arsenic is As. A metalloid in Group 15 of the periodic table has atomic number 33. Arsenic is known for its toxic properties and various allotropes. It is used in certain alloys and technologies
Question : Directions: In the following question, select the word that cannot be formed using the letters of the given word. GOSSIPING
Option 1: SOAP
Option 2: PING
Option 3: GOING
Option 4: GOSSIP
Correct Answer: SOAP
Solution : Given: GOSSIPING
Now, let's compare all the option words with the word GOSSIPING – First option: SOAP; A is not present in the word GOSSIPING. Therefore, all the letters of SOAP are not present in the word GOSSIPING. Second option: PING; All the letters of
Question : Directions: In the following question, two statements are given, followed by three conclusions: I, II, and III. You have to consider the two statements to be true, even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements. Statements: I. Some beautiful are intelligent. II. All intelligent are daughter. Conclusions: (I) Some intelligent are beautiful. (II) Some daughters are intelligent. (III) Some beautiful are daughters.
Option 1: Only conclusions I and II follow
Option 2: Only conclusion I and III follow
Option 3: Only conclusions II and III follow
Option 4: All conclusions follow
Correct Answer: All conclusions follow
Solution : The possible Venn diagram for the given statements –
Let's analyse the conclusions – Conclusion (I): Some intelligent are beautiful – According to the Venn diagram, the circle of intelligent and the circle of beautiful intersect and have a common area between them.
Question : Directions: In each of the following questions, choose the correct alternative that will improve the part of the sentence given in quotes.
The gas "is being seeping" out of the rocks.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The correct choice is the first option.
Question : If $x= 19$ and $y= 18$, then the value of $\frac{x^{2}+y^{2}+xy}{x^{3}-y^{3}}$ is:
Option 2: 37
Option 3: 324
Option 4: 361
Solution : Given: $x = 19$ and $y= 18$ Since, $x^{3}-y^{3} = (x-y)(x^{2}+y^{2}+xy)$ $\therefore\frac{x^{2}+y^{2}+xy}{x^{3}-y^{3}}=\frac{x^{2}+y^{2}+xy}{ (x-y)(x^{2}+y^{2}+xy)}=\frac{1}{x-y}=\frac{1}{19-18}= 1$ Hence, the correct answer is 1.
Question : Select the most appropriate one-word substitution for the given group of words. Holding an office without receiving a pay
Option 1: charity
Option 2: honorary
Option 3: startup
Option 4: freelance
Correct Answer: honorary
Solution : The correct choice is the second option.
Explanation: The term honorary is specifically used to describe a situation where someone holds a position, title, or office without receiving payment or remuneration for their services. It signifies that the individual is serving in an honorary capacity
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at line MN as shown.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear
Question : Select the option that can substitute the bracketed word segment correctly and complete the following sentence meaningfully. Lots of kids (was visualized) crossing the road when the bus arrived.
Option 1: were seen
Option 2: have been seen
Option 3: are seen
Option 4: was seen
Correct Answer: were seen
Solution : The correct answer is the first option.
Explanation: The correct option is "were seen" because it maintains subject-verb agreement. In the sentence, the subject "lots of kids" is plural, so the verb should also be in the plural form, which is "were" in this
Question : A number is first increased by 10% and then increased by 20%. The number, so obtained, is now decreased by 12%. What is the net increase or decrease percent in the original number?
Option 1: 16.16% increase
Option 2: 14.14% decrease
Option 3: 11.11% decrease
Option 4: 12.12% increase
Correct Answer: 16.16% increase
Solution : The formula for two successive percentage changes (increase or decrease) is given by: $\text{Net percentage change} = a + b + \frac{ab}{100}$ where $a$ and $b$ are the two percentage changes. In this case, the number is first increased by 10% and then by
Question : Directions: Select the letter cluster that can replace the question mark (?) in the given letter cluster series. KOY, JPX, IQW, HRV,?
Option 1: ETU
Option 2: GSU
Option 3: GSV
Option 4: GRU
Correct Answer: GSU
Solution : Given: KOY, JPX, IQW, HRV,?
In the above–given series, subtract 1 from the first and the third letters and add 1 to the second letter of the previous term to obtain the next letter cluster. KOY→K – 1 = J; O + 1 = P;
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