Staff Selection Commission Multi Tasking Staff Exam
Question : The table given below shows the number of students from five classes playing different games.
Which of the following statements is correct? I. The average number of students playing A and B in the 9th class is 32. II. The average number of students playing A and C in the 8th class is 75. III. The total number of students playing all three games in the 10th class is 77.
Option 1: II and III
Option 2: I, II and III
Option 3: I and III
Option 4: I and II
Correct Answer: I and III
Solution : I. The average number of students playing A and B in 9th class = $\frac{38+26}{2}$ = $\frac{64}{2}$ = $32$ II. The average number of students playing A and C in the 8th class = $\frac{40+90}{2}$ = $\frac{130}{2}$ = $65$ III. The total number
Question : The release of which of the following in ponds and wells helps in controlling mosquitoes?
Option 1: Dogfish
Option 2: Crab
Option 3: Gambusia fish
Option 4: Snail
Correct Answer: Gambusia fish
Solution : The correct option is Gambusia fish
Gambusia, often known as mosquitofish, is a tiny freshwater fish of the Poeciliidae family. It feeds on mosquito larve and pupae and has been part of mosquito control efforts in many areas.
Question : Directions: Seven friends M, N, O, P, Q, R, and S having different heights are standing in ascending order of their heights. The tallest person stands on the right and the shortest on the left. Only three friends are taller than O. R is shorter than only Q. N is taller than both P and M but shorter than S. Who is the third tallest?
Option 1: P
Option 2: N
Option 3: S
Option 4: O
Correct Answer: S
Solution : Given: (I) The tallest person stands on the right and the shortest on the left. _ < _ < _ < _ < _ < _ < _ (II) Only three friends are taller than O. _ < _ < _ < O < _
Question : Which of the following is an example of sedimentary rocks?
Option 1: Granite
Option 2: Sandstone
Option 3: Marble
Option 4: Basalt
Correct Answer: Sandstone
Solution : The correct option is Sandstone
Sandstone is an example of a sedimentary rock formed from the accumulation of sand. Other sedimentary rocks include limestone (formed from organic remains), shale (formed from mud), and conglomerate (formed from rounded pebbles). Basalt and granite are igneous rocks, while
Question : In the following question, out of the given four alternatives, select the alternative that best expresses the meaning of the Idiom/Phrase. Know the ropes.
Option 1: To break the rules
Option 2: To reveal a secret
Option 3: To understand the details
Option 4: To fight without any reason
Correct Answer: To understand the details
Solution : The correct option will be the third option.
The idiom know the ropes means to be familiar with or have a thorough understanding of the procedures, techniques, or details of a particular activity or situation.
Therefore, to understand the details accurately captures
Question : The average of numbers A and B is 16. The average of numbers B and C is 40, What is the difference between C and A?
Option 1: 48
Option 2: 12
Option 3: 80
Option 4: 66
Correct Answer: 48
Solution : Given: The average of numbers A and B is 16. The average of numbers B and C is 40. The sum of the numbers A and B, (A + B) = 16 × 2 = 32 The sum of the numbers B and C, (B
Question : All of the following are freedom fighters of India who were hanged to death on 23 March 1931 in the Lahore conspiracy case, except_______.
Option 1: Sukhdev
Option 2: Rajguru
Option 3: Mahatma Gandhi
Option 4: Bhagat Singh
Correct Answer: Mahatma Gandhi
Solution : The correct answer is Mahatma Gandhi
In the Lahore conspiracy case, which was initiated to exact revenge on Lala Lajpat Rai, Bhagat Singh, Rajguru, and Sukhdev were put on trial for the murder of Saunders. Following their conviction, they received a death sentence. March
Question : Directions: From the given answer figures, select the one in which the question figure is hidden/embedded.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Because there is no restriction on the rotation of the figure, we will check all the possible orientations of the question figure in which of the given option figures it can fit itself. By comparison of all option figures, the question figure is embedded only in
Question : What is the average of the natural numbers from 1 to 43?
Option 1: 32
Option 2: 22
Option 3: 44
Option 4: 43
Correct Answer: 22
Solution : Average of first $n$ natural numbers = $\frac{n+1}{2}$ So, required average = $\frac{1 + 43}{2}$ = 22 Hence, the correct answer is 22.
Question : Directions: Select the correct mirror image of the given figure when the mirror AB is placed on the right side of the figure.
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 AB). So, the left side of the reflected image will appear
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