Staff Selection Commission Sub Inspector Exam
Question : The average of five consecutive odd numbers is 27. What is the product of the first and the last number?
Option 1: 621
Option 2: 667
Option 3: 713
Option 4: 725
Correct Answer: 713
Solution : Since the average of 5 consecutive odd numbers will be its 3rd term. So, find 1st term by subtracting 4 from it and 5th term by adding 4. So, 3rd term =27 Therefore, 1st term = 27 - 4 = 23
Question : Which of the following pairs is incorrect?
I.Touch Pad - Locator device
II.Microphone - Output device
III.Monitor - Output device
Option 1: I and II
Option 2: I and III
Option 3: Only II
Option 4: All the above
Correct Answer: Only II
Solution : The correct option is Only II.
A touchpad is a locator device for pointing (controlling input positioning) on a computer display screen. It is an alternative to the mouse. The monitor, commonly called a Visual Display Unit (VDU), is the main output device
Question : Which organization publishes a Human Development Report?
Option 1: WTO
Option 2: ILO
Option 3: World Bank
Option 4: UNDP
Correct Answer: UNDP
Solution : The correct answer is UNDP
The United Nations Development Programme (UNDP) commissioned the independent report, The Human Development Report, created by a team of eminent academics, development experts and employees of the UNDP Human Development Report Office.
Question : Match the following:
Option 1: 1 - a, 2 - c, 3 - b
Option 2: 1 - b, 2 - c, 3 - a
Option 3: 1 - b, 2 - a, 3 - c
Option 4: 1 - c, 2 - a, 3 - b
Correct Answer: 1 - b, 2 - c, 3 - a
Solution : The correct answer is 1 - b, 2 - c, 3 - a.
Tennis is played on a court. Different Grand Slams are played on different types of courts, such as grass, clay, and hard courts.
Question : Among the following states, which one has adopted the "Neem" trees as the state tree?
Option 1: Maharashtra
Option 2: Tamil Nadu
Option 3: Kerala
Option 4: Andhra Pradesh
Correct Answer: Andhra Pradesh
Solution : The correct answer is Andhra Pradesh.
The Andhra Pradesh state tree is referred to as the neem tree in popular culture. Typically, this tree is grown in India's tropical and subtropical regions. The fast-growing evergreen neem tree has a lot of potential for treating
Question : An agricultural department known as 'Diwan-i-kohi' was created by:
Option 1: Muhammad bin Tughlaq
Option 2: Alauddin Khilji
Option 3: Firoz Tughlaq
Option 4: Jalaluddin Khilji
Correct Answer: Muhammad bin Tughlaq
Solution : The correct option is Muhammad bin Tughlaq
Muhammad bin Tughlaq established a separate department for agriculture called Diwan-i-Kohi and started several agricultural reforms. The department's main goal was to increase the area under cultivation. Initially, Tughlaq had a strict taxation policy which hurt
Question : Lake formed in a cut-off river, meander is called:
Option 1: Playa Lake
Option 2: Meteoric Lake
Option 3: Ox-Bow Lake
Option 4: Crater Lake
Correct Answer: Ox-Bow Lake
Solution : The correct option is Ox-Bow Lake.
When a large meander from a river's main stem splits to form a lake, a U-shaped body of water known as Ox-Bow Lake is generated, since it has a distinctively curved shape like a portion of an
Question : Select the wrongly spelt word.
Option 1: umbrella
Option 2: occurring
Option 3: sediment
Option 4: exprimant
Correct Answer: exprimant
Solution : The fourth option is the correct answer.
The correct spelling is "experiment". An experiment refers to a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
The meanings of the other options are as follows:
Question : Directions: Five girls are sitting in a row. A is on the right of B, E is on the left of B, but to the right of C. If A is on the left of D, who is sitting in the middle?
Option 1: E
Option 2: B
Option 3: A
Option 4: C
Correct Answer: B
Solution : Given: Let all the girls face in the north direction. (I) A is on the right of B, E is on the left of B, but to the right of C.
(II) A is on the left of D. So, B is sitting in the
Question : The population of A town is 9000. If the number of females increases by 5% and the number of males by 7.5%, what will be the total population after the increase when the number of females is currently 3000?
Option 1: 9600
Option 2: 9200
Option 3: 10500
Option 4: 9540
Correct Answer: 9600
Solution : Total number of population = 9000 Total number of females = 3000 Total number of males = 9000 – 3000 = 6000 Total population after the increase = $3000 × \frac{105}{100} + 6000 × \frac{107.5}{100}$ = 3150 + 6450 = 9600 Hence, the correct answer
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