Staff Selection Commission Sub Inspector Exam
Question : The product of two numbers is 216. If the HCF is 6, then their LCM is:
Option 1: 72
Option 2: 60
Option 3: 48
Option 4: 36
Correct Answer: 36
Solution : Let the numbers be 'a' and 'b'. Given: (a × b) = 216 HCF of 'a' and 'b' = 6 Let LCM of 'a' and 'b' = X ⇒ a × b = 6 × X ⇒ 216 = (6 × X) ⇒ X =
Question : Directions: A cube is made by folding the given sheet. In the cube so found, which pair of letters will be on the opposite faces?
Option 1: T and S
Option 2: R and P
Option 3: P and U
Option 4: U and T
Correct Answer: T and S
Solution : In the 3D view of dice, 1. Each face out of the three faces in the 3D view should be from all the pairs. 2. Two opposite faces cannot appear adjacently in the 3D view of a folded cube figure. So, the opposite
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
(Having had) in the USA Embassy for a long time, Mr. Gupta has met many prominent personalities
(1) He has been
(2) Having been
(3) Had he been
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The sentence can be improved using the second option.
The phrase having had should be replaced with having to convey the intended meaning that Mr. Gupta had met many prominent people on account of being in the USA Embassy for a long time.
He has
Question : The internal length of a room is two times its breadth and three times its height. The total cost of painting its four walls at the rate of INR 25/m2 is INR 3,600. What is the cost of laying a carpet on its floor at the rate of INR 90.50/m2?
Option 1: INR 6,516
Option 2: INR 7,240
Option 3: INR 5,430
Option 4: INR 5,970
Correct Answer: INR 6,516
Solution : The total cost of painting its four walls at the rate of INR 25/m$^2$ is INR 3,600. Rate = INR 90.50 per m$^2$ The area of four walls, A = $2(l + b)h$, where $l,b$ and $h$ are the length, breadth and height respectively.
Question : A reduction of 10% in the price of sugar enables a housewife to buy 6.2 kg more for Rs. 1116. The reduced price per kg is:
Option 1: Rs. 12
Option 2: Rs. 14
Option 3: Rs. 16
Option 4: Rs. 18
Correct Answer: Rs. 18
Solution : The price of quantity we get more = The reduction in the price Reduced price of 6.2 kg of sugar = 10% of Rs. 1116 = $\frac{10}{100}$ × 1116 = Rs. 111.60 At this price only, an extra 6.2 kg of sugar is obtained.
Question : Why are the clear nights colder than the cloudy nights?
Option 1: Conductance
Option 2: Condensation
Option 3: Radiation
Option 4: Insulation
Correct Answer: Radiation
Solution : The correct option is Radiation.
Because of differences in heat radiation and retention, clear nights are colder than cloudy nights. Clouds operate as insulators, preventing rapid cooling by minimizing heat escape from the surface. Clouds reflect solar energy during the day, which decreases at night,
Question : Dolly was an example of cloned __________.
Option 1: dog
Option 2: cow
Option 3: sheep
Option 4: hen
Correct Answer: sheep
Solution : The correct option is sheep
Dolly was the first animal cloned from an adult somatic cell using the somatic cell nuclear transfer technique. Dolly was born on July 5, 1996, at the Roslin Institute in Scotland. The team of scientists led by Dr Ian
Question : Select the most appropriate one-word substitution for the given group of words.
To separate husk from the grain
Option 1: willow
Option 2: whisk
Option 3: winnow
Option 4: whip
Correct Answer: winnow
Solution : The correct choice is the third option.
Winnow specifically refers to the action of separating husks or chaff from grains by using air currents. This process involves tossing the mixture of husk and grain into the air, allowing the wind to blow away the lighter
Question : Directions: In the following question, from the given alternative words, select the word that cannot be formed using the letters of the given word. SATISFACTORY
Option 1: FACTORS
Option 2: FASCIST
Option 3: SCARIFY
Option 4: SCATTER
Correct Answer: SCATTER
Solution : Given: SATISFACTORY
Now, let's compare all the option words with the word SATISFACTORY – First option: FACTORS; All the letters of FACTORS are present in the word SATISFACTORY. Second option: FASCIST; All the letters of FASCIST are present in the word SATISFACTORY. Third
Question :
Directions: In the following question, select the related word from the given alternatives. Happy : Dismal :: Proud : ?
Option 1: Eminent
Option 2: Humble
Option 3: Fiery
Option 4: Gratified
Correct Answer: Humble
Solution : Given: Happy : Dismal :: Proud : ?
Like, happy is the antonym of dismal. Similarly, humble is the antonym of proud.
Hence, the second option is correct.
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