Staff Selection Commission Sub Inspector Exam
Question : Select the INCORRECTLY spelt word.
Option 1: Wriggle
Option 2: Wreathe
Option 3: Weggle
Option 4: Wreak
Correct Answer: Weggle
Solution : The correct choice is the third option.
Explanation:
The correct spelling of the word is waggle. The incorrect spelling contains the letter "e" in place of "i". It means to move with quick, playful back-and-forth motions, typically used to describe the movement of an
Question : The given pie chart shows the percentage distribution of 450 employees in an organisation. Read the pie chart and answer the question that follows. If 75 % of the employees in department D are males, how many female employees are there in that department?
Option 1: 9
Option 2: 18
Option 3: 27
Option 4: 36
Correct Answer: 9
Solution : Percentage distribution of employees in an organization Department D = 8% Number of employees in Department D = $\frac{(8 × 450)}{100}$ = 36 75% of employees of Department D are male So, 25% of employees of Department D are female Number of female Employees in
Question : A person travels a distance of 300 km and then returns to the starting point. The time taken by him for the outward journey is 5 hours more than the time taken for the return journey. If he returns at a speed of 10 km/hr more than the speed of going, what is the average speed (in km/hr) for the entire journey?
Option 1: 20
Option 2: 15
Option 3: 24
Option 4: 30
Correct Answer: 24
Solution : Let the speed of the outward journey as $v$ km/hr. Then, the speed of the return journey is $v + 10$ km/hr. The time taken for the outward journey = $\frac{300}{v}$ hours The time taken for the return journey = $\frac{300}{v+10}$ hours Given that the
Question : The average of twelve numbers is 58. The average of the first five numbers is 56 and the average of the next four numbers is 60. The 10th number is 4 more than the 11th number and the 11th number is one less than the 12th number. What is the average of the 10th and 12th numbers?
Option 1: 58.5
Option 2: 59.5
Option 3: 59
Option 4: 58
Correct Answer: 59.5
Solution : Given, The average of 12 numbers = 58 ⇒ Sum of 12 numbers = 12 × 58 = 696 Also, Average of first 5 numbers = 56 ⇒ Sum of first 5 numbers = 5 × 56 = 280 Average of next 4 numbers =
Question : Directions: If A denotes addition, B denotes multiplication, C denotes subtraction, and D denotes division, then what will be the value of the following expression? 50 D (2 B 5) A 3 B (15 A 12) C 2 B (18 C 15) =?
Option 1: 54
Option 2: 127
Option 3: 80
Option 4: 89
Correct Answer: 80
Solution : Given: A denotes addition, B denotes multiplication, C denotes subtraction, and D denotes division 50 D (2 B 5) A 3 B (15 A 12) C 2 B (18 C 15) =?
After replacing the letters with the mathematical signs, the equation becomes – 50
Question : Directions: Select the option related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 3 : 8 :: 6 : ? :: 11 : 1000
Option 1: 216
Option 2: 512
Option 3: 125
Option 4: 729
Correct Answer: 125
Solution : Given: 3 : 8 :: 6 : ? :: 11 : 1000
Subtract 1 from the first number, and then find the cube of the resultant number, to obtain the second number – Like, 3 : 8→(3 – 1)3 = 23 = 8
Question : Directions: If A denotes ‘+’, B denotes ‘×’, C denotes ‘−’, and D denotes ‘÷’, then what will come in place of ‘?’ in the following equation?
145 A 27 D 3 B ? = 163
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 6
Correct Answer: 2
Solution : Given: A denotes ‘+’, B denotes ‘×’, C denotes ‘−’, and D denotes ‘÷’, 145 A 27 D 3 B ? = 163
Replacing the letters with the given mathematical operations. 145 + 27 ÷ 3 × ? = 163 9 × ? = 163
Question : Find the perimeter of a major sector of a circle of radius 12 metres, whose minor sector subtends an angle of 75° at the centre.
Option 1: $(24 + 5π)$ metres
Option 2: $(24 + 19π)$ metres
Option 3: $(24 – 5π)$ metres
Option 4: $(24 – 19π)$ metres
Correct Answer: $(24 + 19π)$ metres
Solution : Here, we have a radius of the circle = 12 m and a minor sector angle subtends an angle = 75º Angle subtended by major arc = 360º – 75º = 285º Perimeter of major arc = $2 \times \pi \times r
Question : Who was the founder of Kolkata's first "Atmiya Sabha" (philosophical discussion circle) held in 1815?
Option 1: Raja Ram Mohan Roy
Option 2: Lala Lajpat Rai
Option 3: Rabindranath Tagore
Option 4: Jawaharlal Nehru
Correct Answer: Raja Ram Mohan Roy
Solution : The correct answer is Raja Ram Mohan Roy.
The founder of Kolkata's first "Atmiya Sabha" (philosophical discussion circle) held in 1815 was Raja Ram Mohan Roy. He was a prominent social reformer, religious thinker and the founder of the Brahmo Sabha, which
Question : Directions: Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 25 : 18 :: 37 : ? :: 49 : 36
Option 1: 29
Option 2: 32
Option 3: 30
Option 4: 27
Correct Answer: 27
Solution : Given: 25 : 18 :: 37 : ? :: 49 : 36
Add the sum of the digits of the first number in itself and then subtract the sum from the first number to obtain the second number. Here, 25 : 18→25 – (2 +
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