Staff Selection Commission Multi Tasking Staff Exam
Question : If the sum of the diagonals of a rhombus is $L$ and the perimeter is $4P$, find the area of the rhombus.
Option 1: $\frac{1}{4}\left(\mathrm{~L}^2-\mathrm{P}^2\right)$
Option 2: $\frac{1}{2}\left(\mathrm{~L}^2-4 \mathrm{P}^2\right)$
Option 3: $\frac{1}{4}\left(\mathrm{~L}^2+3 \mathrm{P}^2\right)$
Option 4: $\frac{1}{4}\left(\mathrm{~L}^2-4 \mathrm{P}^2\right)$
Correct Answer: $\frac{1}{4}\left(\mathrm{~L}^2-4 \mathrm{P}^2\right)$
Solution : Perimeter = $4P$ ⇒ 4 × side = $4P$ ⇒ Side = $P$ Let $d_1$ and $d_2$ be the diagonals. The sum of the diagonals = $L$ ⇒ $d_1+d_2$ = L ----------------------(i) Now, (Side)$^2$ = $(\frac{d_1}{2})^2 + (\frac{d_2}{2})^2$ ⇒ $P^2 = (\frac{d_1}{2})^2 + (\frac{d_2}{2})^2$
Question : Sun Yat-Sen was the leader of
Option 1: Boxer Revolt
Option 2: Taiping Rebellion
Option 3: KMT Party
Option 4: CPC Party
Correct Answer: KMT Party
Solution : The correct option is the KMT Party.
Sun Yat-sen (also known as Sun Zhongshan) was a Chinese revolutionary and political leader who played a pivotal role in the overthrow of the Qing dynasty and the establishment of the Republic of China. He was a
Question : A jar contains a mixture of milk and water, having 50% water. A part of this mixture is replaced by another mixture having 29% water. The percentage of water in the jar after replacement is 36%. What fraction of the original mixture was replaced?
Option 1: $\frac{3}{2}$
Option 2: $\frac{4}{5}$
Option 3: $\frac{1}{3}$
Option 4: $\frac{2}{3}$
Correct Answer: $\frac{2}{3}$
Solution : Percentage of water in the first mixture = 50% Percentage of water in the second mixture = 29% Percentage of water in final mixture = 36% Ratio = (36 – 29)% : (50 – 36)% = 7 :14 = 1 : 2 Total quantity =
Question : Find the part of the given sentence that has an error in it. If there is no error, choose 'No Error'. All of the farmers I interviewed shared three things on common.
Option 1: All of the farmers I
Option 2: interviewed shared three
Option 3: No Error
Option 4: things on common.
Correct Answer: things on common.
Solution : The correct choice is the fourth option.
The correct phrase is "in common" instead of "on common". "In common" is the correct idiomatic expression to indicate that multiple farmers share certain things. The preposition "in" is used to show a connection or
Question : Find the part of the given sentence that has an error in it. If there is no error, choose ‘No Error’.
This is most unique thing I have ever seen in my life.
Option 1: No Error
Option 2: thing I have ever
Option 3: seen in my life
Option 4: this is most unique
Correct Answer: this is most unique
Unique means being only one of a kind, and it is not comparable in degrees. Thus, most should be omitted to make the sentence grammatically accurate, as it does not take comparative forms since
Question : The kingdoms of Chola, Chera, and Pandyas belong to which period in ancient India?
Option 1: Gupta Period
Option 2: Sangam Period
Option 3: Mauryan Period
Option 4: Mahajanapada Period
Correct Answer: Sangam Period
Solution : The correct option is the Sangam period.
The kingdoms of Chola, Chera, and Pandya belong to the Sangam period in ancient India. The Sangam period is a significant phase in the history of ancient South India, marked by the flourishing of Tamil literature
Question : When was the "Pradhan Mantri Sukanya Samriddhi Yojana" launched?
Option 1: September 2014
Option 2: August 2015
Option 3: January 2015
Option 4: January 2016
Correct Answer: January 2015
Solution : The correct answer is January 2015
Sukanya Samriddhi Yojana was launched by Prime Minister Narendra Modi on January 22, 2015, as a component of the "Beti Bachao Beti Padhao" campaign. It is a deposit scheme administered by the Ministry of Finance. It secures the
Question : In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase. On the job
Option 1: In the war
Option 2: Avoiding the work
Option 3: Working at a particular job
Option 4: On the contrary
Correct Answer: Working at a particular job
Solution : The third option is correct.
The phrase on the job typically means actively engaged in work or duty. It refers to someone who is working or performing their tasks at his workplace or in the course of their employment. This
Question : Select the most appropriate meaning of the given idiom.
The last straw
Option 1: The last ray of hope in an unfortunate situation
Option 2: The last financial resource
Option 3: The only option left after a series of unsuccessful attempts
Option 4: The final problem in a series of problems that makes the situation intolerable
Correct Answer: The final problem in a series of problems that makes the situation intolerable
This idiom is derived from the proverbial expression "the last straw that breaks the camel's back," where each additional straw contributes to the burden until the
Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 32, 58, 92, 134, ?
Option 1: 184
Option 2: 194
Option 3: 156
Option 4: 169
Correct Answer: 184
Solution : Given: 32, 58, 92, 134, ?
The pattern is as follows –
So, the next term is 184. Hence, the first option is correct.
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