Staff Selection Commission Sub Inspector Exam
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at line MN as shown.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on Line MN). So, the left side of the reflected image will appear
Question : Study the pie chart and answer the question: Distribution (degree wise) of the number of computers sold by a shopkeeper during five months. The number of months, in which the number of computers sold was above 20% of the total number of computers sold in 5 months, was:
Option 1: 3
Option 2: 4
Option 3: 1
Option 4: 2
Correct Answer: 3
Solution : 100% represents 360$^\circ$ 20% will represent $=(\frac{360}{100}) × 20 = 72^\circ$ January = 85$^\circ$ March = 99$^\circ$ May = 77$^\circ$ There are 3 months January, March and May in which the number of computers sold is above $72^\circ$. $\therefore$ The number of months in which
Question : Directions: In the following question, find the odd number from the given alternatives.
Option 1: 160
Option 2: 240
Option 3: 360
Option 4: 480
Correct Answer: 160
Solution : Let's check the options – First option: 160; 160 is not divisible by 12 Second option: 240; 240 ÷ 12 = 20 Third option: 360; 360 ÷ 12 = 30 Fourth option: 480; 480 ÷ 12 = 40
So, the first option differs from the
Question : A man covers a certain distance by bike. If he covers 25% of the distance at the speed of 25 km/hr, 50% of the distance at the speed of 50 km/hr and the remaining distance at the speed of 12.5 km/hr, find his average speed over the whole journey.
Option 1: 20 km/hr
Option 2: 30 km/hr
Option 3: 25 km/hr
Option 4: 35 km/hr
Correct Answer: 25 km/hr
Solution : Let the total distance be 100 km. 1st 25% of distance = 25 km Speed = 25 km/hr Time = $\frac{\text{distance}}{\text{speed}}= \frac{25}{25}= 1$ hour 2nd 50% of distance = 50 km Speed = 50 km/hr Time = $\frac{\text{distance}}{\text{speed}}=\frac{50}{50}= 1$ hour Remaining distance = 100
Question : Directions: Select the correct mirror image of the given combination when the mirror is held at the right side.
Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure. So, the left side of the reflected image will appear as the right
Question : The diameter of a hemisphere is equal to the diagonal of a rectangle of length 4 cm and breadth 3 cm. Find the total surface area (in cm²) of the hemisphere.
Option 1: $25 \pi$
Option 2: $\frac{75 \pi}{4}$
Option 3: $\frac{50 \pi}{4}$
Option 4: $\frac{25 \pi}{4}$
Correct Answer: $\frac{75 \pi}{4}$
Solution : Given, The diameter of a hemisphere is equal to the diagonal of a rectangle of length 4 cm and breadth 3 cm. We know the total surface area (TSA) of the hemisphere (radius $r$)= $3\pi r^2$ And, the length of the diagonal of the
Question : Study the graph and answer the question.
The ratio of the total production of rice in states C and E to the total production of wheat in states B and D is___________.
Option 1: 11 : 10
Option 2: 20 : 17
Option 3: 22 : 19
Option 4: 13 : 12
Correct Answer: 20 : 17
Solution : The total production of rice in states C and E = 575 + 525 = 1100 The total production of wheat in states B and D = 375 + 560 = 935 Required ratio = 1100 : 935 = 20 : 17 Hence,
Question : Who wrote the book named 'Exile'?
Option 1: Barkha Dutt
Option 2: Valmik Thapar
Option 3: Taslima Nasrin
Option 4: Ranbir Singh Sidhu
Correct Answer: Taslima Nasrin
Solution : The correct answer is Taslima Nasrin
"Exile" was written by Taslima Nasrin, a Bangladeshi novelist and activist, in 1994. It is a memoir of her life and experiences in Bangladesh as a writer and feminist.
Question : What is the approximate length of the Konkan Railway?
Option 1: 580 km
Option 2: 760 km
Option 3: 940 km
Option 4: 1050 km
Correct Answer: 760 km
Solution : The correct answer is 760 km.
Konkan railway runs through Maharashtra, Karnataka, and Goa. It has a total length of 760 km. It is considered an engineering marvel because of the tough terrain through which it passes. It crosses 146 rivers, 2000 bridges
Question : How many members can be appointed in Rajya Sabha from Uttar Pradesh?
Option 1: 18
Option 2: 39
Option 3: 31
Option 4: 22
Correct Answer: 31
Solution : The correct answer is 31.
The Rajya Sabha is the Upper House of the Parliament of India, consisting of a maximum of 250 members, out of which 238 are representatives of the states and union territories, and the remaining 12 are nominated by the
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