Staff Selection Commission Sub Inspector Exam
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).
The speech he gave was highly informative.
(1) deliver
(2) made
(3) give
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The correct alternative is the second option.
Explanation: While "made" is a synonym for "gave" in some contexts it is the most appropriate choice here as the verb "made" is suitable for creating as well as delivering a speech.
So, the correct sentence would be:
Question : Some medicine in liquid form is prepared in a hemispherical container of diameter 36 cm. When the container is full of medicine, the medicine is transferred to small cylindrical bottles of diameter 6 cm and height 6 cm. How many bottles are required to empty the container?
Option 1: 76
Option 2: 72
Option 3: 70
Option 4: 75
Correct Answer: 72
Solution : Diameter of hemisphere = 36 cm Radius, $R$ = 18 cm Diameter of cylinder = 6 cm Radius, $r$ = 3 cm Height of cylinder = 6 cm Let $n$ be the number of cylinders, Volume of hemisphere = Volume of all cylinders $\frac{2}{3} \pi
Question : Directions: In a certain code language, OIL is coded as 27 and CREAM is coded as 125. How will POWDER be coded in the same language?
Option 1: 225
Option 2: 216
Option 3: 198
Option 4: 169
Correct Answer: 216
Solution : Given: OIL is coded as 27, CREAM is coded as 125
Count the number of the letters in the given word and write the cube of that number to obtain the required code. OIL→Number of letters in the word = 3; (3)3 = 27
Question : The outer circumference of the circular race track is 528 metres. The track is everywhere 14 metres wide. The cost of levelling the track at the rate of Rs. 10 per sq. metre is:
Option 1: Rs. 77,660
Option 2: Rs. 66,760
Option 3: Rs. 76,760
Option 4: Rs. 67,760
Correct Answer: Rs. 67,760
Solution : Given, The outer circumference of the circular race track = 528 metre Width of track = 14 m Cost of levelling = Rs. 10 per sq. metre Let the outer radius be $r$. So, $2 \pi r = 528$ ⇒ $r=\frac{528\times 7}{2\times 22}$ ⇒
Question : A boy found that the average of 20 numbers is 35 when he mistakenly wrote the number '61' instead of '16'. What is the correct average of the 20 numbers?
Option 1: 32.75
Option 2: 37.25
Option 3: 34.75
Option 4: 34.25
Correct Answer: 32.75
Solution : Given: A boy found that the average of 20 numbers is 35. When he writes a number '61' instead of '16'. Difference = 61 – 16 = 45 $\therefore$ Correct average = 35 – $\frac{45}{20}$ = 35 – 2.25 = 32.75 Hence, the correct answer
Question : Dumb-bell shaped guard cells are present in
Option 1: Groundnut
Option 2: Gram
Option 3: Wheat
Option 4: Mango
Correct Answer: Wheat
Solution : The correct option is Wheat.
Guard cells of monocotyledonous or monocot plants such as wheat are generally elongated or dumbbell-like. Guard cells in monocots are often placed parallel to one another within the stomata. The presence of kidney-shaped guard cells is a distinguishing trait of
Question : Identify the option that rectifies the underlined spelling error in the given sentence. Mountainering is now looked upon as the king of sports.
Option 1: Mounteineering
Option 2: Mountainearing
Option 3: Mountaineering
Option 4: Mountainouring
Correct Answer: Mountaineering
Solution : The correct answer is the third option.
The correct spelling is "mountaineering". The word "mountaineering" refers to the sport or activity of climbing mountains, especially as a recreational pursuit.
Therefore, the correct answer is mountaineering.
Question : Directions: In the following question, some parts of the sentence may have some 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".
He is having (1) / many (2) / friends here. (3) / No error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The error lies in the first part of the sentence.
The speaker is talking about his friends, which is a case of possession. So in this case, has should be used instead of is having.
Therefore, the correct sentence is: He has many friends here.
Question : If P is circumcentre in $\triangle$ ABC, $\angle$BPC = $30^{\circ}$, what is the value (in degrees) of $\angle$BAC ?
Option 1: 15
Option 2: 60
Option 3: 75
Option 4: 105
Correct Answer: 15
Solution : The angle subtended by any chord of a circle at the centre of a circle is twice the angle subtended at the major arc by the same chord. $\angle$BAC = $\frac{1}{2} \angle$BPC = $\frac{1}{2}×30^{\circ}$ = $15^{\circ}$ Hence, the correct answer is 15.
Question : Directions: In this question, 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.
Can you be able to please tone down your excitement?
Correct Answer: 3
Solution : The correct option is the third option.
Explanation:
The sentence structure in the third option suggests a polite request. Moreover, "can" and "able" cannot be used together, as "able" itself means a capacity to do something, which replaces "can" very often.
The other options have
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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