Q. The pair of lines represented by the equation 5x^2 + 6xy + 5y^2 = 0 are:
A.
Real and distinct
B.
Imaginary
C.
Coincident
D.
Real and coincident
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Solution
The discriminant of the quadratic equation is negative, indicating imaginary lines.
Correct Answer:
B
— Imaginary
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Q. The pair of lines represented by the equation x^2 - 4x + y^2 - 4y = 0 are:
A.
Parallel
B.
Perpendicular
C.
Coincident
D.
Intersecting
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Solution
Rearranging gives (x-2)^2 + (y-2)^2 = 0, which represents two intersecting lines.
Correct Answer:
D
— Intersecting
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Q. The pair of lines represented by the equation x^2 - 4x + y^2 - 6y + 8 = 0 are:
A.
Parallel
B.
Intersecting
C.
Coincident
D.
Perpendicular
Show solution
Solution
To determine the nature of the lines, we can rewrite the equation in the form of (x - a)^2 + (y - b)^2 = r^2 and analyze the discriminant.
Correct Answer:
B
— Intersecting
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Q. The pair of lines represented by the equation x^2 - 4x + y^2 - 6y + 9 = 0 are:
A.
Parallel
B.
Intersecting
C.
Coincident
D.
Perpendicular
Show solution
Solution
Rearranging gives (x-2)^2 + (y-3)^2 = 0, which represents a single point, hence the lines are coincident.
Correct Answer:
B
— Intersecting
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Q. The pair of lines represented by the equation x^2 - 4xy + 3y^2 = 0 are:
A.
Parallel
B.
Perpendicular
C.
Intersecting
D.
Coincident
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Solution
To determine the nature of the lines, we can find the slopes from the equation. The product of the slopes will help us conclude if they are perpendicular.
Correct Answer:
B
— Perpendicular
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Q. The pair of straight lines represented by the equation x^2 - 4xy + y^2 = 0 are:
A.
Parallel
B.
Perpendicular
C.
Coincident
D.
Intersecting at a point
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Solution
The given equation can be factored as (x - 2y)(x - 2y) = 0, indicating that the lines are perpendicular.
Correct Answer:
B
— Perpendicular
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Q. The parabola y = -3(x - 2)^2 + 5 opens in which direction?
A.
Upwards
B.
Downwards
C.
Left
D.
Right
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Solution
Since the coefficient of (x - 2)^2 is negative, the parabola opens downwards.
Correct Answer:
B
— Downwards
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Q. The parabola y^2 = 12x opens in which direction?
A.
Upwards
B.
Downwards
C.
Left
D.
Right
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Solution
The equation y^2 = 12x indicates that the parabola opens to the right since it is in the form y^2 = 4px.
Correct Answer:
D
— Right
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Q. The Parliament consists of two houses. If the Lok Sabha has 545 members and the Rajya Sabha has 245 members, what is the ratio of Lok Sabha members to Rajya Sabha members?
A.
5:2
B.
11:5
C.
9:4
D.
7:3
Show solution
Solution
Ratio = 545:245 = 11:5.
Correct Answer:
B
— 11:5
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Q. The Parliament of India consists of two houses. If the Lok Sabha has 545 members and the Rajya Sabha has 245 members, what is the total number of members in both houses? (2021)
A.
790
B.
800
C.
750
D.
780
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Solution
Total members = Members in Lok Sabha + Members in Rajya Sabha = 545 + 245 = 790.
Correct Answer:
A
— 790
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Q. The part of the flower that receives pollen is called the: (2022)
A.
Ovary
B.
Stigma
C.
Style
D.
Anther
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Solution
The stigma is the part of the pistil that receives pollen during fertilization.
Correct Answer:
B
— Stigma
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Q. The Parthenon, a symbol of ancient Greece, is primarily dedicated to which deity?
A.
Zeus
B.
Athena
C.
Apollo
D.
Hera
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Solution
The Parthenon is dedicated to Athena, the goddess of wisdom and warfare, and is a quintessential example of ancient Greek architecture.
Correct Answer:
B
— Athena
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Q. The perimeter of a square is 40 cm. What is the length of one side? (2021)
A.
5 cm
B.
10 cm
C.
15 cm
D.
20 cm
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Solution
Perimeter = 4 × side. Therefore, side = Perimeter / 4 = 40 cm / 4 = 10 cm.
Correct Answer:
B
— 10 cm
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Q. The perimeter of a square is 64 cm. What is the length of one side? (2021)
A.
12 cm
B.
14 cm
C.
16 cm
D.
18 cm
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Solution
Perimeter of a square = 4 × side. Therefore, side = 64 cm / 4 = 16 cm.
Correct Answer:
C
— 16 cm
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Q. The perimeter of an equilateral triangle is 36 cm. What is the length of each side? (2021)
A.
9 cm
B.
12 cm
C.
10 cm
D.
8 cm
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Solution
In an equilateral triangle, all sides are equal. Therefore, each side = Perimeter / 3 = 36 / 3 = 12 cm.
Correct Answer:
B
— 12 cm
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Q. The phenomenon of a liquid rising in a narrow tube is called?
A.
Surface tension
B.
Capillarity
C.
Viscosity
D.
Hydrostatic pressure
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Solution
The phenomenon of a liquid rising in a narrow tube is called capillarity.
Correct Answer:
B
— Capillarity
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Q. The phenomenon of bending of light around the edges of an obstacle is called _____. (2023)
A.
Refraction
B.
Diffraction
C.
Reflection
D.
Dispersion
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Solution
Diffraction is the bending of light waves around obstacles and openings.
Correct Answer:
B
— Diffraction
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Q. The phenomenon of bending of light around the edges of an obstacle is known as _____. (2023)
A.
Refraction
B.
Reflection
C.
Diffraction
D.
Dispersion
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Solution
Diffraction is the bending of light waves around obstacles and openings.
Correct Answer:
C
— Diffraction
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Q. The phenomenon of capillary action is primarily due to:
A.
Surface tension and cohesion
B.
Surface tension and adhesion
C.
Viscosity and density
D.
Gravity and pressure
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Solution
Capillary action occurs due to the combination of surface tension (which pulls the liquid up) and adhesion (which attracts the liquid to the walls of the tube).
Correct Answer:
B
— Surface tension and adhesion
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Q. The phenomenon of electromagnetic induction was discovered by which scientist? (2022)
A.
Michael Faraday
B.
James Clerk Maxwell
C.
Nikola Tesla
D.
Albert Einstein
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Solution
Electromagnetic induction was discovered by Michael Faraday.
Correct Answer:
A
— Michael Faraday
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Q. The phenomenon of liquid rising in a narrow tube is known as?
A.
Surface tension
B.
Capillarity
C.
Viscosity
D.
Hydrostatic pressure
Show solution
Solution
The phenomenon of liquid rising in a narrow tube is called capillarity.
Correct Answer:
B
— Capillarity
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Q. The phenomenon of surface tension is primarily due to which type of forces?
A.
Cohesive forces
B.
Adhesive forces
C.
Gravitational forces
D.
Electrostatic forces
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Solution
Surface tension arises from cohesive forces between liquid molecules.
Correct Answer:
A
— Cohesive forces
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Q. The philosopher's argument centers on the idea that true happiness is found in __________.
A.
material wealth and success.
B.
self-acceptance and inner peace.
C.
constant pursuit of pleasure.
D.
social recognition and fame.
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Solution
The context of philosophical discussions often revolves around inner fulfillment, making option 1 the best fit.
Correct Answer:
B
— self-acceptance and inner peace.
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Q. The philosophical concept of 'Utilitarianism' is primarily associated with which of the following thinkers?
A.
A. John Stuart Mill
B.
B. Immanuel Kant
C.
C. Friedrich Nietzsche
D.
D. David Hume
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Solution
Utilitarianism is most closely associated with John Stuart Mill, who expanded on Jeremy Bentham's ideas about maximizing happiness.
Correct Answer:
A
— A. John Stuart Mill
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Q. The philosophical idea of 'Allegory of the Cave' is presented in which of Plato's works?
A.
A. The Republic
B.
B. Phaedrus
C.
C. Symposium
D.
D. Timaeus
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Solution
The 'Allegory of the Cave' is found in 'The Republic', illustrating the difference between the world of appearances and the world of reality.
Correct Answer:
A
— A. The Republic
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Q. The philosophical idea of 'Tabula Rasa' suggests that individuals are born as:
A.
A. Blank slates
B.
B. Innately good
C.
C. Sinful beings
D.
D. Rational creatures
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Solution
'Tabula Rasa' is the theory that individuals are born as blank slates, with knowledge and personality shaped by experience.
Correct Answer:
A
— A. Blank slates
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Q. The phrase 'a double-edged sword' in the passage suggests that technology can be: (2023)
A.
beneficial and harmful
B.
only beneficial
C.
only harmful
D.
irrelevant
Show solution
Solution
A 'double-edged sword' implies that something has both positive and negative consequences, which aligns with the discussion in the passage.
Correct Answer:
A
— beneficial and harmful
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Q. The phrase 'a double-edged sword' in the passage suggests that the author views the topic as:
A.
Completely beneficial.
B.
Having both positive and negative consequences.
C.
Irrelevant to the discussion.
D.
Easily understood.
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Solution
The phrase 'a double-edged sword' indicates that the author acknowledges both the benefits and drawbacks of the topic.
Correct Answer:
B
— Having both positive and negative consequences.
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Q. The phrase 'a double-edged sword' in the passage suggests that the subject has:
A.
only positive effects
B.
only negative effects
C.
both positive and negative effects
D.
no effects at all
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Solution
A 'double-edged sword' implies that something can have both beneficial and harmful consequences.
Correct Answer:
C
— both positive and negative effects
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Q. The phrase 'in the limelight' in the passage indicates that someone is:
A.
in a state of obscurity
B.
under scrutiny
C.
in a position of power
D.
the center of attention
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Solution
'In the limelight' means to be in a position of public attention or prominence.
Correct Answer:
D
— the center of attention
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