Staff Selection Commission Combined Higher Secondary Level Exam
Question : Simply the given expression: (5p + 3q)(5p – 3q)
Option 1: 25p2 – 9q2 + 30pq
Option 2: 25p2 – 9q2
Option 3: 25p2 + 9q2
Option 4: 25p2 + 9q2 – 30pq
Correct Answer: 25p2 – 9q2
Solution : Given: (5p + 3q)(5p – 3q) = (5p)2 – (3q)2 = 25p2 – 9q2 Hence, the correct answer is 25p2 – 9q2.
Question : The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options. If you don't find any error, mark "No error" as your answer.
He speaks pleasantly / with her yesterday / evening but not today
Option 1: He speaks pleasantly
Option 2: with her yesterday
Option 3: No error
Option 4: evening but not today.
Correct Answer: He speaks pleasantly
Solution : The correct choice is the first option.
Explanation: The error is in the use of the present tense "speaks" with the time expression "yesterday". When referring to a specific past time, the past tense should be used.
So, the correct sentence would
Question : The circumference of the two circles is 264 m and 308 m respectively. What is the difference between the area of the larger circle and the smaller circle?
Option 1: 2002 m2
Option 2: 2010 m2
Option 3: 1890 m2
Option 4: 1990 m2
Correct Answer: 2002 m2
Solution : Let the radius of 1st circle be $r_1$. Circumference of 1st circle = 264 So, $2\pi r_1=264$ ⇒ $2\times \frac{22}{7}\times r_1 = 264$ ⇒ $r_1=42$ Let the radius of 2nd circle be $r_2$. Circumference of 2nd circle = 308 So, $2\pi r_2=308$ ⇒
Question : Mahatma Gandhi abruptly called off the Non-Cooperation Movement when, in ______, a crowd of peasants set fire to a police station in Chauri Chaura.
Option 1: June 1922
Option 2: February 1922
Option 3: December 1922
Option 4: April 1922
Correct Answer: February 1922
Solution : The correct option is February 1922.
In February 1922, during the Non-Cooperation Movement, a peaceful protest turned violent in Chauri Chaura, Uttar Pradesh, India. Angered by police actions, a crowd of peasants set fire to a police station. Mahatma Gandhi, deploring the violence,
Question : Directions: Based on the alphabetical order, three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?
Option 1: JQN
Option 2: ELI
Option 3: ZGD
Option 4: NXR
Correct Answer: NXR
Solution : Let's check each option – First option: JQN; J + 7 = Q, Q – 3 = N Second option: ELI; E + 7 = L, L – 3 = I Third option: ZGD; Z + 7 = G, G – 3 = D Fourth
Question :
In India, Dugong (sea cow) is found in the bio reserve site of
Option 1:
Gulf of Mannar
Option 2:
Nokrek
Option 3: Manas
Option 4: Sundarbans
Correct Answer:
Solution : The correct option is Gulf of Mannar
The Gulf of Mannar Marine National Park and Biosphere Reserve in India is home to dugongs, often known as sea cows. The Gulf of Mannar, located between India's southeastern coast and Sri Lanka's western coast, is
Question : Choose the word that can substitute for the given group of words.
A person who has given up their beliefs.
Option 1: Misanthrope
Option 2: Versatile
Option 3: Apostate
Option 4: Crusade
Correct Answer: Apostate
Solution : The third option is correct.
Apostate means a person who has abandoned their previous religious, political, or other beliefs.
The meanings of the other options are as follows:
Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 12, 8, 14, 6, 16, ?
Option 1: 18
Option 2: 32
Option 3: 5
Option 4: 4
Correct Answer: 4
Solution : Given: 12, 8, 14, 6, 16, ?
Here, add 2 to the odd place digits→12, 14, 16 12 + 2 = 14, 14 + 2 = 16 And, subtract 2 from the even place digits→8, 6, ? 8 – 2 = 6, 6 – 2
Question : The situation in which total Revenue equals total cost, is known as :
Option 1: monopolistic competition.
Option 2: equilibrium level of output .
Option 3: break even point .
Option 4: perfect competition .
Correct Answer: break even point .
Solution : The correct option is break even point .
The situation in which total revenue equals total cost is known as the "break-even point." At this point, a business is neither making a profit nor incurring a loss. It is essentially covering all
Question : Directions: In the question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
Our teacher encouraged ____ setting the poem to music.
Option 1: he
Option 2: he's
Option 3: his
Option 4: him
Correct Answer: his
Solution : The correct choice to fill in the blank is the third option.
"His" is the correct choice as it is a possessive pronoun and should be followed by the gerund, which indicates that the person who is setting the poem to music was encouraged by
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