Staff Selection Commission Sub Inspector Exam
Question : Directions: Select the option in which the given figure is embedded (rotation is NOT allowed).
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Since there is a restriction on the rotation of the figure, we will check where the question figure can exactly fit itself in the given option figures. By comparison of all the option figures, the given question figure is embedded only in the fourth option figure.
Question : If $\frac{2}{3}$ of A = 75% of B = 0.6 of C, then $A:B:C$ is:
Option 1: $2:3:3$
Option 2: $3:4:5$
Option 3: $4:5:6$
Option 4: $9:8:10$
Correct Answer: $9:8:10$
Solution : Given: $\frac{2}{3}$ of A = 75% of B = 0.6 of C Here, $\frac{2}{3}$ of A = 75% of B ⇒ $\frac{2A}{3}=\frac{75B}{100}$ ⇒ $\frac{A}{B}=\frac{9}{8}$ Let A and B be 9 and 8 respectively. Now, 75% of B = 0.6 of C ⇒ $\frac{75B}{100}=\frac{6C}{10}$ ⇒ $\frac{B}{C}
Question : Directions: In the following question, a sentence is given with blanks that are to be filled in with appropriate words. Four alternatives are suggested; choose the correct alternative out of them as your answer.
It was once _______that being overweight was healthy_________now-a-days few people subscribe to this viewpoint.
Option 1: Believed, but
Option 2: Rumoured, so
Option 3: Speculated, and
Option 4: Joked, because
Correct Answer: Believed, but
Solution : The correct answer is the first option: believed, but
In the past, there was a perception that being overweight was considered good for one's health. However, in contemporary times, very few individuals adhere to this belief. The conjunction "but" is used to
Question : $\triangle$ PQR circumscribes a circle with centre O and radius r cm such that $\angle$ PQR = $90^{\circ}$. If PQ = 3 cm, QR = 4 cm, then the value of r is:
Option 1: 2
Option 2: 1.5
Option 3: 2.5
Option 4: 1
Correct Answer: 1
Solution : PQ = 3 cm, QR = 4 cm OB = OA = OC = r Since tangents drawn from a point to the circle are equal, AQ = QB = $r$ ⇒ PA = PC = $3-r$ ⇒ RC = RB = $4-r$ By Pythagoras
Question : Directions: In these questions, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2) and (3) which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (4).
When the thief saw the police approaching he showed a clean pair at heels.
(1) a clean pair of heels
(2) a clean pair on heels
(3) a clean pair down heels
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The correct choice is the first option.
Explanation:
An idiomatic expression means to run away quickly or escape. It's a well-established phrase in English to describe someone fleeing from a pursuer or threat.
Therefore, the correct sentence is: When the thief saw the police
Question : Which of the following is a genetic disease?
Option 1: Down syndrome
Option 2: Elephantiasis
Option 3: Asthma
Option 4: Night blindness
Correct Answer: Down syndrome
Solution : The correct option is Down syndrome.
Down syndrome is a genetic disease caused by an extra copy of chromosome 21, which results in developmental, and cognitive impairments, unusual physical traits, and an elevated risk for certain health problems.
Question :
With which one of the following Jacobson’s organ is related?
Vision
Chewing
Option 3: Smelling
Option 4: Hearing
Correct Answer: Smelling
Solution : The correct option is Smelling.
The vomeronasal organs, also known as Jacobson's organs, are connected to the sense of smell but also detect chemical messages called pheromones. They detect pheromones, which are chemical signals generated by members of the same species to communicate information
Question : Directions: In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error".
As soon as I will reach (1) / Delhi, I will send you (2) / the books you have asked for. (3) / No Error (4)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Solution : The error lies in the first part of the sentence.
When two actions happen one after the other in future and the second action is dependent on the first action, the first action should be in the simple present tense followed by the second action
Question : Directions: In a square-shaped field A, B, C, and D persons are standing at the middle of each side. You have to bear in mind the directions to be followed as shown in the figure.
If A moves clockwise 2½ sides and D moves anti-clockwise 2½ sides, they will be in which direction?
Option 1: South and West region
Option 2: North and East region
Option 3: South and North region
Option 4: North and West Region
Correct Answer: South and North region
Solution : Given: A moves clockwise 2½ sides and D moves anti-clockwise 2½ sides.
Their movement is shown below –
When A moves clockwise 2½ sides, A is in the south direction. When D moves anti-clockwise 2½ sides, D is in the north direction.
Question : Which of the following seas has the highest salinity?
Option 1: Red Sea
Option 2: Black Sea
Option 3: Dead Sea
Option 4: Arabian Sea
Correct Answer: Dead Sea
Solution : The correct answer is the Dead Sea.
Fresh water has a salinity of 0-5 parts per thousand (ppt), brackish water has 5-35 ppt, and ocean water has a salinity greater than 35 ppt. The Dead Sea has a salinity of 340 ppt and is
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