Staff Selection Commission Combined Graduate Level Exam
Question : Find the sum of the measures of all the interior angles of a polygon having twelve sides.
Option 1: 1800°
Option 2: 2520°
Option 3: 2880°
Option 4: 3240°
Correct Answer: 1800°
Solution : Given: Sides of the polygon, $n$ = 12 A polygon with $n$ sides has an interior angle sum = $(n -2)×180°$ = $(12 - 2)×180°$ = $10×180°$ = $1800°$ Hence, the correct answer is 1800°.
Question : Waksman got the Nobel Prize for the Discovery of:
Option 1: Streptomycin
Option 2: Choloromycetin
Option 3: Neomycin
Option 4: Penicillin
Correct Answer: Streptomycin
Solution : The correct option is - Streptomycin
For his successful studies of the soil microbes," which helped discover streptomycin, Waksman won the Nobel Prize in 1952. Waksman's discovery of streptomycin led to him being referred to as "one of the greatest benefactors to mankind" during the
Question : Direction: A man travels 4 kilometres due north, then travels 6 kilometres due east, and further travels 4 kilometres due north. How far is he from the starting point?
Option 1: 8 km
Option 2: 10 km
Option 3: 6 km
Option 4: 14 km
Correct Answer: 10 km
Solution : As per the given information, the movement of the man looks as follows –
The direct distance between his starting point and the endpoint is AD as shown below –
Produce DC to O and join AO to form a right-angled triangle at O,
Question : In an election, a candidate secures 40% of the votes but is defeated by the only other candidate by a majority of 298 votes. Find the total number of votes recorded.
Option 1: 1580
Option 2: 1490
Option 3: 1470
Option 4: 1530
Correct Answer: 1490
Solution : If one candidate received R% of total votes, the other candidates received (100 – R)% of total votes. Let the total number of votes recorded be $x$. 60% of the votes went to the winning candidate. According to the question, (60 – 40)% of $x$
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).
He enjoys to go on tours with his children.
(1) to go for tours
(2) going for tours
(3) going on tours
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct answer is the third option.
The use of the infinitive verb form to go on tours is not appropriate after the verb enjoys. The verb form should be a gerund (the -ing form of the verb) to convey that he finds enjoyment in
Question : Select the correct active form of the given sentence.
A terrible disaster was witnessed by our country.
Option 1: Our country had witnessed a terrible disaster.
Option 2: Our country is witnessing a terrible disaster.
Option 3: Our country witnessed a terrible disaster.
Option 4: Our country witnesses a terrible disaster.
Correct Answer: Our country witnessed a terrible disaster.
Solution : The correct choice is the third option.
Active voice emphasises the doer of the action, while passive voice emphasises the receiver. To convert passive to active, we make the subject perform the action and rephrase the verb.
The structure of
Question : Absolute zero is a temperature at which
Option 1: Molecular motion in a gas would cease
Option 2: Water freezes
Option 3: All gases become liquid
Option 4: All gases become solid
Correct Answer: Molecular motion in a gas would cease
Solution : The answer is Molecular motion in a gas would cease.
Absolute zero is the temperature at which all molecular motion stops. It is the lowest temperature on the Kelvin scale and equals -273.15 degrees Celsius. At absolute zero,
Question : Directions: Which figure should replace the question mark (?) if the series were to be continued?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figures, two patterns are followed alternately. 1. From Box 1 to Box 2, elements placed in the left diagonal interchange their positions, and other elements shift their position in the anticlockwise direction. 2. From Box 2 to Box 3, elements placed in
Question :
Math the following:
I II
A anabaena 1 Bacteria
B mucor 2 gymnosperm
C pseudomonas 3 fungi
D ephedra 4 blue – green algae
A-4, B-2, C-3, D-1
A-4, B-3, C-1, D-2
Option 3: A-3, B-4, C-1, D-2
Option 4: A-2, B-1, C-4, D-3
Solution : The correct option is A-4, B-3, C-1, D-2.
Anabaena is a type of blue-green algae, which are photosynthetic bacteria capable of performing photosynthesis are often found in aquatic environments and can produce their own food using sunlight. Mucor is a type of
Question : In Networks, WEP stands for
Option 1: Wireless Equivalent Privacy
Option 2: Wired Extra Privacy
Option 3: Wired Equivalent Privacy
Option 4: Wireless Embedded Privacy
Correct Answer: Wired Equivalent Privacy
Solution : The correct answer is Wired Equivalent Privacy.
WEP known as Wired Equivalent Privacy, is a wireless network encryption method that employs 64-bit or 128-bit encryption keys to safeguard data during transmission. Nonetheless, WEP suffers from substantial security weaknesses and is no longer
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