Q. The author's argument was __________, as it failed to consider the counterarguments presented by the critics. (2023)
A.
compelling
B.
flawed
C.
innovative
D.
persuasive
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Solution
The use of 'failed to consider counterarguments' indicates that the argument is not strong, thus 'flawed' is the correct choice.
Correct Answer: B — flawed
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Q. The average kinetic energy of gas molecules is proportional to which of the following?
A.
Pressure
B.
Volume
C.
Temperature
D.
Density
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Solution
The average kinetic energy of gas molecules is directly proportional to the absolute temperature of the gas.
Correct Answer: C — Temperature
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Q. The average of five numbers is 18. If one number is excluded, the average becomes 16. What is the excluded number?
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Solution
Total sum = 5 * 18 = 90. New sum = 4 * 16 = 64. Excluded number = 90 - 64 = 26.
Correct Answer: C — 24
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Q. The average of five numbers is 18. If one number is removed, the average becomes 16. What was the removed number?
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Solution
Total of five numbers = 5 * 18 = 90. Total of four numbers = 4 * 16 = 64. Removed number = 90 - 64 = 26.
Correct Answer: C — 24
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Q. The average of five numbers is 50. If one number is increased by 10, what will be the new average?
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Solution
Total sum = 5 * 50 = 250. New total = 250 + 10 = 260. New average = 260 / 5 = 52.
Correct Answer: C — 51
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Q. The average of three consecutive integers is 20. What is the smallest of these integers? (2023)
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Solution
Let the integers be x, x+1, x+2. The average is (x + (x + 1) + (x + 2)) / 3 = 20. Solving gives x = 18.
Correct Answer: A — 18
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Q. The average of three numbers is 30. If one number is removed, the average becomes 25. What is the removed number?
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Solution
Let the three numbers be x, y, z. (x + y + z) / 3 = 30 => x + y + z = 90. After removing one number, (x + y) / 2 = 25 => x + y = 50. Therefore, removed number = 90 - 50 = 40.
Correct Answer: A — 35
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Q. The average speed of gas molecules is given by the formula:
A.
(8kT/πm)^(1/2)
B.
(3kT/m)^(1/2)
C.
(2kT/m)^(1/2)
D.
(kT/m)^(1/2)
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Solution
The average speed of gas molecules is given by the formula v_avg = (8kT/πm)^(1/2), where k is the Boltzmann constant, T is the temperature, and m is the mass of a gas molecule.
Correct Answer: A — (8kT/πm)^(1/2)
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Q. The bending of light as it passes from one medium to another is called _____. (2023)
A.
Reflection
B.
Refraction
C.
Diffraction
D.
Dispersion
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Solution
Refraction is the bending of light as it passes from one medium to another due to a change in speed.
Correct Answer: B — Refraction
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Q. The Berlin Conference of 1884-85 is significant for its impact on which aspect of border management?
A.
Establishing trade routes in Asia
B.
Dividing Africa among European powers
C.
Defining the borders of the Ottoman Empire
D.
Creating buffer states in Europe
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Solution
The Berlin Conference of 1884-85 is significant for dividing Africa among European powers, leading to arbitrary borders that disregarded ethnic and cultural divisions.
Correct Answer: B — Dividing Africa among European powers
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Q. The Berlin Conference of 1884-85 is significant for which of the following reasons?
A.
It marked the end of the Cold War.
B.
It regulated European colonization and trade in Africa.
C.
It established the United Nations.
D.
It initiated the process of decolonization.
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Solution
The Berlin Conference regulated European colonization and trade in Africa, leading to the 'Scramble for Africa'.
Correct Answer: B — It regulated European colonization and trade in Africa.
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Q. The Beti Bachao Beti Padhao scheme primarily aims to address which social issue? (2015)
A.
Child Marriage
B.
Gender Discrimination
C.
Unemployment
D.
Poverty
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Solution
The Beti Bachao Beti Padhao scheme, launched in 2015, aims to prevent gender discrimination and promote the education of girls.
Correct Answer: B — Gender Discrimination
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Q. The Bhakti movement in India primarily emphasized which of the following?
A.
Ritualistic practices
B.
Personal devotion to God
C.
Caste hierarchy
D.
Philosophical debates
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Solution
The Bhakti movement emphasized personal devotion to God, transcending caste and ritualistic practices.
Correct Answer: B — Personal devotion to God
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Q. The Bhakti movement in medieval India primarily aimed at:
A.
Promoting caste hierarchy.
B.
Encouraging communal harmony and personal devotion.
C.
Establishing a new political order.
D.
Reviving ancient Vedic rituals.
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Solution
The Bhakti movement emphasized personal devotion to God and sought to transcend caste divisions, promoting a sense of unity among diverse communities.
Correct Answer: B — Encouraging communal harmony and personal devotion.
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Q. The Bill of Rights, ratified in 1791, is significant in American history for which of the following reasons?
A.
It abolished slavery in the United States.
B.
It established the framework for the federal government.
C.
It enumerated specific rights and protections for individuals.
D.
It granted women the right to vote.
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Solution
The Bill of Rights is significant because it enumerated specific rights and protections for individuals, ensuring fundamental liberties such as freedom of speech and religion.
Correct Answer: C — It enumerated specific rights and protections for individuals.
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Q. The book was read by the students. What is the active voice of this sentence? (2023)
A.
The students read the book.
B.
The book is read by the students.
C.
The students are reading the book.
D.
The students have read the book.
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Solution
To convert from passive to active voice, identify the subject performing the action. Here, 'the students' is the subject who reads 'the book'.
Correct Answer: A — The students read the book.
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Q. The Booker Prize is awarded for which category? (1969)
A.
Best Film
B.
Best Novel
C.
Best Play
D.
Best Poetry
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Solution
The Booker Prize is awarded annually for the best original novel written in the English language and published in the UK.
Correct Answer: B — Best Novel
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Q. The Booker Prize is awarded in which category? (2018)
A.
Science
B.
Fiction
C.
Non-Fiction
D.
Poetry
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Solution
The Booker Prize is awarded for the best original novel written in the English language.
Correct Answer: B — Fiction
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Q. The Brihadeeswarar Temple, a UNESCO World Heritage Site, is an exemplary representation of which architectural style?
A.
Chola Architecture
B.
Mughal Architecture
C.
Indo-Saracenic Architecture
D.
Dravidian Architecture
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Solution
The Brihadeeswarar Temple, built in the 11th century, is a prime example of Chola architecture, showcasing the grandeur of Dravidian style.
Correct Answer: A — Chola Architecture
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Q. The British East India Company's governance in India was characterized by which of the following?
A.
Direct rule from London
B.
Indirect rule through local princes
C.
Complete autonomy for Indian states
D.
Democratic governance
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Solution
The British East India Company primarily governed India through indirect rule, utilizing local princes and zamindars to maintain control.
Correct Answer: B — Indirect rule through local princes
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Q. The buoyant force acting on an object submerged in a fluid is equal to:
A.
The weight of the object
B.
The weight of the fluid displaced
C.
The density of the object
D.
The pressure of the fluid
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Solution
According to Archimedes' principle, the buoyant force is equal to the weight of the fluid displaced by the object.
Correct Answer: B — The weight of the fluid displaced
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Q. The buoyant force on an object submerged in a fluid is equal to: (2022)
A.
The weight of the object
B.
The weight of the fluid displaced
C.
The density of the object
D.
The volume of the object
Show solution
Solution
According to Archimedes' principle, the buoyant force on a submerged object is equal to the weight of the fluid displaced by the object.
Correct Answer: B — The weight of the fluid displaced
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Q. The cake was baked by my mother. What is the active voice of this sentence? (2023)
A.
My mother bakes the cake.
B.
My mother is baking the cake.
C.
My mother baked the cake.
D.
The cake is baked by my mother.
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Solution
In active voice, the subject 'my mother' performs the action of baking the cake, thus it becomes 'My mother baked the cake.'
Correct Answer: C — My mother baked the cake.
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Q. The capacitance of a parallel plate capacitor is directly proportional to which of the following? (2019)
A.
Distance between plates
B.
Area of plates
C.
Voltage across plates
D.
Dielectric constant
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Solution
Capacitance (C) is directly proportional to the area of the plates (A) and the dielectric constant (ε) and inversely proportional to the distance (d) between the plates.
Correct Answer: B — Area of plates
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Q. The capacitance of a parallel plate capacitor is given by which formula? (2020)
A.
C = ε₀A/d
B.
C = Q/V
C.
C = 1/(4πε₀r)
D.
C = V/I
Show solution
Solution
The capacitance (C) of a parallel plate capacitor is given by the formula C = ε₀A/d, where A is the area of the plates and d is the separation between them.
Correct Answer: A — C = ε₀A/d
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Q. The cat sat on the ___ and watched the birds.
A.
floor
B.
tree
C.
mat
D.
roof
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Solution
The most logical option is 'mat' as it is a common place for a cat to sit.
Correct Answer: C — mat
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Q. The children were ___ to see the circus performance.
A.
excited
B.
bored
C.
tired
D.
disinterested
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Solution
The word 'excited' describes the children's feelings about the circus.
Correct Answer: A — excited
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Q. The circumference of a circle is 31.4 cm. What is the radius of the circle? (Use π = 3.14) (2019)
A.
5 cm
B.
10 cm
C.
7 cm
D.
15 cm
Show solution
Solution
Circumference = 2πr => r = circumference / (2π) = 31.4 / (2 * 3.14) = 5 cm
Correct Answer: A — 5 cm
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Q. The committee have made their decision. (2023)
A.
Correct
B.
Incorrect
C.
Depends on context
D.
None of the above
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Solution
The correct form is 'The committee has made its decision.' 'Committee' is a collective noun and is treated as singular.
Correct Answer: B — Incorrect
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Q. The committee's decision to postpone the event was met with ______ from the participants, who had been eagerly anticipating the opportunity to engage.
A.
enthusiasm
B.
indifference
C.
disappointment
D.
approval
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Solution
The context indicates that participants were looking forward to the event, so 'disappointment' is the most fitting response.
Correct Answer: C — disappointment
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