Staff Selection Commission Sub Inspector Exam
Question : Directions: In the following question, the given sentence has four parts marked P, Q, R, and S. Choose the part of the sentence with the error and select it as your answer. If there is no error, select ' No Error (S)' as your answer.
Earth's deserts (P) / is a land of extremes, (Q) / constantly pushing life to the limit. (R) / No Error (S)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The error lies in the second part of the sentence.
There is an error in the use of the auxiliary verb with respect to number. The verb ''is'' should be replaced with ''are'' to convey the intended meaning that deserts are places where extreme conditions
Question : Who, before going to the gallows, had expressed his desire to keep his ashes intact till India was reunited and throwing them into the Indus after the reunification had been achieved?
Option 1: Udham Singh
Option 2: Nathuram Godse
Option 3: Surya Sen
Option 4: Bhagat Singh
Correct Answer: Nathuram Godse
Solution : The correct answer is Nathuram Godse.
Nathuram Godse expresses his desire to keep his ashes intact till India is reunited and throws them into the Indus River after the reunification has been achieved. Nathuram Godse assassinated Mahatma Gandhi on 30 Jan 1948. He
Question : The area of the sector of a circle is 128 cm2. If the length of the arc of that sector is 64 cm, then find the radius of the circle.
Option 1: 4 cm
Option 2: 8 cm
Option 3: 2 cm
Option 4: 16 cm
Correct Answer: 4 cm
Solution : Length of arc = $\frac{ \theta}{360°}\times 2\pi r = 64$ ⇒ $\frac{ \theta}{360°} = \frac{64}{2 \pi r}$ Area of the sector = $\frac{\theta}{360°} \times \pi r^2$ ⇒ $\frac{\theta}{360°} \times \pi r^2 = 128$ ⇒ $\frac{64}{2 \pi r} \times \pi r^2 = 128$ ⇒ $r
Question : Directions: Which number will replace the question mark (?) in the following series? 112, ?, 83, 70, 58, 47, 37
Option 1: 94
Option 2: 97
Option 3: 100
Option 4: 104
Correct Answer: 97
Solution : Given: 112, ?, 83, 70, 58, 47, 37
Subtract decreasing order of numbers starting from 15 to the previous number to get the next number of the series – 112 – 15 = 97; 97 – 14 = 83; 83 – 13 = 70; 70
Question : If 2 men or 4 women can build a wall in 34 days, in how many days can 6 men and 5 women build the same wall?
Option 1: 24
Option 2: 8
Option 3: 12
Option 4: 16
Correct Answer: 8
Solution : If 2 men can build the wall in 34 days, then 1 man can build it in 2 × 34 days ⇒ work rate of 1 man = $\frac{ 1}{2×34}$ per day if 4 women can build the wall in 34 days, then 1 woman
Question : Directions: In the following question, find the odd number pair from the given alternatives.
Option 1: 12 – 28
Option 2: 20 – 36
Option 3: 42 – 58
Option 4: 72 – 90
Correct Answer: 72 – 90
Solution : Let's check the options – First option: 12 – 28; 28 – 12 = 16 Second option: 20 – 36; 36 – 20 = 16 Third option: 42 – 58; 58 – 42 = 16 Fourth option: 72 – 90; 90 – 72
Question : There was a substantial increase in foodgrain production, especially wheat production, during the period after:
Option 1: 1954
Option 2: 1964
Option 3: 1965
Option 4: 1966
Correct Answer: 1966
Solution : The correct answer is 1966.
The Green Revolution started in India in 1965, and it led to an increase in wheat and rice production, which led to self-sufficiency in food grain production in India. It lasted until 1978–79. It was primarily concentrated in the
Question : Directions: Select the option figure in which the given figure is embedded. (Rotation is not allowed.)
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As 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 second option figure.
Question : If a + b + c = 5 and ab + bc + ca = 7, then the value of a3 + b3 + c3 – 3abc is:
Option 1: 15
Option 2: 20
Option 3: 25
Option 4: 30
Correct Answer: 20
Solution : Here, a + b + c = 5 Squaring both sides, we get, ⇒ (a + b + c)2 = 25 ⇒ a2 + b2 + c2 + 2ab + 2bc + 2ca = 25 As, ab + bc + ca
Question : Directions: In a code language, if you are there is written as ter der jer, we stay here is written as yer mer ner, we are late is written as ser ner der, and I stay there is written as yer fer jer, then how would you stay late be written in this language?
Option 1: ter mer ser
Option 2: ter yer mer
Option 3: ter yer ser
Option 4: der yer ser
Correct Answer: ter yer ser
Solution : Given: 1. you are there⇒ter der jer 2. we stay here⇒yer mer ner 3. we are late⇒ser ner der 4. I stay there⇒yer fer jer
By comparing all the three coded sentences, we find that – In statements 2 and 4, stay is
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