Staff Selection Commission Multi Tasking Staff Exam
Question : The radius of a sphere is doubled. The percentage increase in its surface area is ______.
Option 1: 75%
Option 2: 100%
Option 3: 300%
Option 4: 400%
Correct Answer: 300%
Solution : Let the radius of the sphere be $r$ units. So, the surface area of the sphere = $4\pi r^2$ sq. units After doubling, the new radius = 2$r$ units So, the new surface area = $4\pi (2r)^2=16\pi r^2$ sq. units $\therefore$ The percentage increase =
Question : Directions: Select the option figure that will replace the question mark (?) in the figure given below to complete the pattern. (Rotation is not allowed.)
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : On comparing the question figure and all the option figures, the following figure will combine and make the complete pattern –
Hence, the first option is correct.
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Nitrogen is essential to life (1)_____Earth. It is a component of all proteins, and it can be (2)________in all living systems. Nitrogen compounds are (3)__________in organic materials, foods, fertilisers, explosives, and poisons. Nitrogen is crucial to life, (4)_______in excess it can also be (5)______to the environment.
Question:-
Select the most appropriate option to fill in the blank number 3.
Option 1: function
Option 2: instant
Option 3: immediate
Option 4: present
Correct Answer: present
Solution : The correct choice is the fourth option.
Present is the appropriate choice, as it helps convey that nitrogen exists in organic materials.
Therefore, the complete sentence is: "Nitrogen compounds are present in organic materials, foods, fertilisers, explosives, and poisons."
Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'. The eggs are warm into a suitable temperature for the larvae to hatch from the eggs.
Option 1: No improvement required
Option 2: are warmed for
Option 3: are warmed to
Option 4: is warmed at
Correct Answer: are warmed to
Solution : The correct choice is the third option.
Explanation: The phrase warm into is grammatically incorrect. The correct expression is warmed to, which means that the eggs are heated or brought to a specific temperature. "Warmed to" indicates the process of heating
Question : Find the third proportion to 14 and 56.
Option 1: 220
Option 2: 218
Option 3: 212
Option 4: 224
Correct Answer: 224
Solution : Let the third proportion be $x$. According to the question, $14:56::56:x$ ⇒ $\frac{14}{56}=\frac{56}{x}$ ⇒ $x=\frac{56×56}{14}$ ⇒ $x=224$ Hence, the correct answer is 224.
Question : Select the appropriate synonym for the underlined word. You should never judge a person without knowing the truth.
Option 1: decide
Option 2: wink
Option 3: pacify
Option 4: care
Correct Answer: decide
Solution : The first option is correct.
The meaning of judge is to form an opinion or conclusion about a person without having complete information or knowing the truth.
Decide is the most appropriate synonym in this context, as it aligns closely with the idea of forming
Question : What is the Highest Common Factor of 25, 40, and 60?
Option 1: 10
Option 2: 12
Option 3: 8
Option 4: 5
Correct Answer: 5
Solution : Prime factorisation of 25 =5 × 5 Prime factorisation of 40 = 2 × 2 × 2 × 5 Prime factorisation of 60 = 2 × 2 × 3 × 5 So, HCF of 25, 40, and 60 = 5 Hence, the correct answer is
Question : Comprehension: In the following passage, some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
Gardenia is one of the most (1)____ flowers, producing one of the most beloved scents in the garden world. Fall or spring is the best time to (2) _______ this shrub in warmer climates. It also (3) _______ a fragrant houseplant, though it can be fussy about indoor humidity. Container plants can be (4) ________ outdoors during summer and returned to moderate indoor temperatures in the (5) ______. Question: Select the most appropriate option to fill in the blank No. 4.
Option 1: sailed
Option 2: sorted
Option 3: classified
Option 4: placed
Correct Answer: placed
Solution : The fourth option is correct.
Question : With which of the following musical instruments was Pandit Ravi Shankar primarily associated?
Option 1: Flute
Option 2: Guitar
Option 3: Tabla
Option 4: Sitar
Correct Answer: Sitar
Solution : The correct option is Sitar.
Pandit Ravi Shankar was primarily associated with the sitar. The sitar is a classical Indian stringed instrument known for its distinctive sound and intricate melodic capabilities. Ravi Shankar, an internationally acclaimed musician and composer, played a pivotal role in
Question : Select the most appropriate synonym of the given word.
Probe
Option 1: Search
Option 2: Motivate
Option 3: Invite
Option 4: Push
Correct Answer: Search
Solution : The correct choice is the first choice.
Probe means to investigate something thoroughly to gain more information.
Search means to look carefully somewhere to find something.
The meanings of the other options are as follows:
The Question containing Inaapropriate or Abusive Words
Question lacks the basic details making it difficult to answer
Topic Tagged to the Question are not relevant to Question
Question drives traffic to external sites for promotional or commercial purposes
The Question is not relevant to User
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