Staff Selection Commission Sub Inspector Exam
Question : The radius of the base of a solid right circular cone is 8 cm and its height is 15 cm. The total surface area of the cone is:
Option 1: 200$\pi$
Option 2: 120$\pi$
Option 3: 136$\pi$
Option 4: 128$\pi$
Correct Answer: 200$\pi$
Solution : Given: Radius, $r\ = 8$ cm Height, $h\ =\ 15$ cm Let $l$ be the slant height. As we know, $l^2\ =\ r^2\ +\ h^2$ $\Rightarrow l^2\ =\ 8^2\ +\ 15^2$ $\Rightarrow l^2\ =\ 64\ +\ 225$ $\Rightarrow l^2\ =\ 289$ $\therefore l\ =\ 17$
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’. She is being waited for you for two hours.
Option 1: had wait
Option 2: has been waiting
Option 3: No substitution required
Option 4: have been waited
Correct Answer: has been waiting
Solution : The correct choice is the second option.
Explanation: The reason for this choice is that the sentence is describing an ongoing action that started in the past and is still continuing in the present. The present perfect continuous tense "has been waiting" correctly
Question : In which situation do wages and prices chase each other at a very quick speed?
Option 1: Disinflation
Option 2: Reflation
Option 3: Stagflation
Option 4: Hyperinflation
Correct Answer: Hyperinflation
Solution : The correct answer is Hyperinflation.
Wages and prices tend to chase each other at a very quick speed during periods of hyperinflation. It occurs when prices in an economy rise very quickly, often by hundreds or even thousands of per cent per year. This
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 69, 65, 67, 63, ?, 61
Option 1: 65
Option 2: 60
Option 3: 62
Option 4: 64
Correct Answer: 65
Solution : Given: 69, 65, 67, 63, ?, 61
Subtract 4 and add 2 alternately to the previous term to obtain the next term. 69 – 4 = 65; 65 + 2 = 67; 67 – 4 = 63; 63 + 2 = 65; 65 – 4
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 only married her for her money.
(1) He married her for her money only
(2) He married her only for her money.
(3) Only for her money he married her.
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The correct answer is the second option.
"He only married her for her money" should be replaced with "He married her only for her money" to convey the intended meaning that the primary reason for his marriage was her money.
The second option correctly
Question : The world-famous Kathak dancer Pandit Birju Maharaj was the face of the Kalka Bindadin Gharana of ____________.
Option 1: Dharwad
Option 2: Lucknow
Option 3: Bhopal
Option 4: Agra
Correct Answer: Lucknow
Solution : The correct answer is Lucknow.
Pandit Birju Maharaj was an Indian dancer, singer and composer, and he was an exponent of the (Kalka Bindadin) Lucknow Gharana of Kathak dance in India. Pandit Birju Maharaj was awarded the second-highest civilian award in India, "Padma Vibhushan",
Question : The smallest among $\sqrt[6]{12},\sqrt[3]{4},\sqrt[4]{5},\sqrt3$ is:
Option 1: $\sqrt[6]{12}$
Option 2: $\sqrt[3]{4}$
Option 3: $\sqrt3$
Option 4: $\sqrt[4]{5}$
Correct Answer: $\sqrt[4]{5}$
Solution : Given: $\sqrt[6]{12},\sqrt[3]{4},\sqrt[4]{5},\sqrt3$ LCM of 6, 3, 4, 2 is 12. $\sqrt[6]{12} ⇒ \left (12^\frac{1}{6} \right )^{12} = 12^2 = 144$ $\sqrt[3]{4} ⇒ \left (4^\frac{1}{3} \right )^{12} = 4^4 = 256$ $\sqrt[4]{5} ⇒ \left (5^\frac{1}{4} \right )^{12} = 5^3 = 125$ $\sqrt{3} ⇒ \left (3^\frac{1}{2} \right
Question : Select the option that can be used as a one-word substitute for the given group of words.
Hatred
Option 1: Malleable
Option 2: Malevolence
Option 3: Magnanimous
Option 4: Malapropos
Correct Answer: Malevolence
Solution : The second option is correct.
Explanation: Malevolence is a noun that refers to the state or quality of being malevolent, which means having or showing intense, often vicious, ill will, or hatred towards others. It is a specific term that directly aligns with the meaning
Question : The following table shows different types of geysers sold by a company over 6 years (numbers in thousands) Answer the following question based on the table:
The total sales of all the six years are the minimum for which geyser?
Option 1: D
Option 2: A
Option 3: C
Option 4: B
Correct Answer: A
Solution : Total sales of geyser A of all the six years = (75 + 100 + 105 + 100 + 95 + 85) = 560 Total sales of geyser B of all the six years = (122 + 102 + 108 + 189 + 123 +
Question : Directions: On a farm, there are 48 ducks, 42 goats, and 10 cows with some attendants. If the total number of feet is 216 more than the number of heads, what is the number of attendants on the farm?
Option 1: 10
Option 2: 14
Option 3: 8
Option 4: 12
Correct Answer: 12
Solution : Given: Number of Ducks = 48, Goats = 42 goats, Cows = 10 cows Let the number of attendants be a. Total number of feet of 48 ducks = 48 × 2 = 96 Total number of feet of 42 goats = 42 × 4
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